diff --git a/01-intro.html b/01-intro.html
index fb06283d7..d17458587 100644
--- a/01-intro.html
+++ b/01-intro.html
@@ -528,7 +528,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/01-intro.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-09",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/02-filedir.html b/02-filedir.html
index 784d663cb..bbdcde51d 100644
--- a/02-filedir.html
+++ b/02-filedir.html
@@ -1351,7 +1351,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/02-filedir.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-18",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/03-create.html b/03-create.html
index e259d4716..9529a66fb 100644
--- a/03-create.html
+++ b/03-create.html
@@ -563,7 +563,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li><p>The <code>touch</code> command generates a new file called
 <code>my_file.txt</code> in your current directory. You can observe this
@@ -771,7 +771,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -864,7 +864,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No. While this would create a file with the correct name, the
 incorrectly named file still exists in the directory and would need to
@@ -930,7 +930,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -1018,7 +1018,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1113,7 +1113,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -1195,7 +1195,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -1319,7 +1319,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1386,7 +1386,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1477,7 +1477,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -1587,7 +1587,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/03-create.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-18",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/04-pipefilter.html b/04-pipefilter.html
index 98f0f857c..8890f974b 100644
--- a/04-pipefilter.html
+++ b/04-pipefilter.html
@@ -1204,7 +1204,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/04-pipefilter.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-09",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/05-loop.html b/05-loop.html
index c010d96f9..73538e0a2 100644
--- a/05-loop.html
+++ b/05-loop.html
@@ -480,7 +480,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -553,7 +553,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -628,7 +628,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -671,7 +671,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -722,7 +722,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>The text from each file in turn gets written to the
 <code>alkanes.pdb</code> file. However, the file gets overwritten on
@@ -776,7 +776,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -1184,7 +1184,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The second version is the one we want to run. This prints to screen
 everything enclosed in the quote marks, expanding the loop variable name
@@ -1235,7 +1235,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
 each species in the outer loop, the inner loop (the nested loop)
@@ -1328,7 +1328,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/05-loop.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-16",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/06-script.html b/06-script.html
index 8f4c42b44..615cc25dc 100644
--- a/06-script.html
+++ b/06-script.html
@@ -587,7 +587,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -657,7 +657,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -781,7 +781,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -838,7 +838,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb40">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -910,7 +910,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Solutions
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -981,7 +981,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
 mode. This prints out each command as it is run, which will help you to
@@ -1072,7 +1072,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/06-script.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-05",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/07-find.html b/07-find.html
index 5bc55a6b6..5ee3b66aa 100644
--- a/07-find.html
+++ b/07-find.html
@@ -1136,7 +1136,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://swcarpentry.github.io/shell-novice/07-find.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 379242290..8a40d4ae1 100644
--- a/404.html
+++ b/404.html
@@ -299,8 +299,8 @@ <h1>Page not found</h1>
   "url": "https://swcarpentry.github.io/shell-novice/404.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/404.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 7525aeb89..98c2c1eec 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -323,7 +323,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/CODE_OF_CONDUCT.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 0f6ae166f..42ef14e5b 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -374,7 +374,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/LICENSE.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 6e68e2bf6..74319b413 100644
--- a/aio.html
+++ b/aio.html
@@ -1911,7 +1911,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li><p>The <code>touch</code> command generates a new file called
@@ -2122,7 +2122,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2218,7 +2218,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No. While this would create a file with the correct name, the
@@ -2288,7 +2288,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>We start in the <code>/Users/jamie/data</code> directory, and create
 a new folder called <code>recombined</code>. The second line moves
@@ -2379,7 +2379,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <div class="codewrapper">
 <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2475,7 +2475,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
 <div class="accordion-body">
 <p>If given more than one file name followed by a directory name
 (i.e. the destination directory must be the last argument),
@@ -2560,7 +2560,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
@@ -2684,7 +2684,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2751,7 +2751,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb64">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2842,7 +2842,7 @@ <h4 class="accordion-header" id="headingSolution10">
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-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
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 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
 uses relative paths to create the top-level directory before the
@@ -4025,7 +4025,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -4175,7 +4175,7 @@ <h4 class="accordion-header" id="headingSolution3">
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 <p>4 is the correct answer. <code>*</code> matches zero or more
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@@ -4220,7 +4220,7 @@ <h4 class="accordion-header" id="headingSolution4">
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 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
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 <li>The text from each file in turn gets written to the
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -4744,7 +4744,7 @@ <h4 class="accordion-header" id="headingSolution7">
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   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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 <p>The second version is the one we want to run. This prints to screen
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@@ -4795,7 +4795,7 @@ <h4 class="accordion-header" id="headingSolution8">
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
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 <p>We have a nested loop, i.e. contained within another loop, so for
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -5361,7 +5361,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -5418,7 +5418,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -5561,7 +5561,7 @@ <h4 class="accordion-header" id="headingSolution6">
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 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
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@@ -6483,8 +6483,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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index 97c7e7831..fd3012a1f 100644
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index b710263ac..c7c2eacb8 100644
--- a/images.html
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index 1b03f163c..c806def94 100644
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diff --git a/instructor/01-intro.html b/instructor/01-intro.html
index b7bd54539..9dd366544 100644
--- a/instructor/01-intro.html
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index 026cdf624..e7a4dd9a5 100644
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 <p>Learners can sometimes get trapped within command-line text editors
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@@ -583,7 +583,7 @@ <h4 class="accordion-header" id="headingSolution1">
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <ol style="list-style-type: decimal"><li><p>The <code>touch</code> command generates a new file called
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@@ -791,7 +791,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <ol style="list-style-type: decimal"><li>No. While this would create a file with the correct name, the
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@@ -950,7 +950,7 @@ <h4 class="accordion-header" id="headingSolution4">
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   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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 <p>We start in the <code>/Users/jamie/data</code> directory, and create
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@@ -1038,7 +1038,7 @@ <h4 class="accordion-header" id="headingSolution5">
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   </h4>
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-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <p>If given more than one file name followed by a directory name
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   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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 <div class="accordion-body">
 <p>The solution is <code>3.</code></p>
 <p><code>1.</code> shows all files whose names contain zero or more
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
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-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
 <div class="accordion-body">
 <p>The first two sets of commands achieve this objective. The first set
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index e683e7006..71bac444d 100644
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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@@ -554,7 +554,7 @@ <h4 class="accordion-header" id="headingSolution2">
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   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -629,7 +629,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -672,7 +672,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -723,7 +723,7 @@ <h4 class="accordion-header" id="headingSolution5">
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   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
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 <ol style="list-style-type: decimal"><li>The text from each file in turn gets written to the
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@@ -777,7 +777,7 @@ <h4 class="accordion-header" id="headingSolution6">
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -1185,7 +1185,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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 <p>The second version is the one we want to run. This prints to screen
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@@ -1236,7 +1236,7 @@ <h4 class="accordion-header" id="headingSolution8">
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 <p>If a command causes something to crash or hang, it might be useful to
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@@ -782,7 +782,7 @@ <h4 class="accordion-header" id="headingSolution3">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
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 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
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   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
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@@ -982,7 +982,7 @@ <h4 class="accordion-header" id="headingSolution6">
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 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
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@@ -1073,7 +1073,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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index bc2230454..808677022 100644
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index 73b9eeb13..ac8c24587 100644
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index aa7b0ec71..d74b79898 100644
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-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <li><p>The <code>touch</code> command generates a new file called
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   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
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   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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 <p>We start in the <code>/Users/jamie/data</code> directory, and create
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 <p>If given more than one file name followed by a directory name
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 </button>
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 <p>The solution is <code>3.</code></p>
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 </button>
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   </h4>
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-<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
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 <p>The first two sets of commands achieve this objective. The first set
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   </h4>
 </button>
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 <p>The first code block gives the same output on each iteration through
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@@ -4213,7 +4213,7 @@ <h4 class="accordion-header" id="headingSolution3">
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   </h4>
 </button>
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 <p>4 is the correct answer. <code>*</code> matches zero or more
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   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
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 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -4311,7 +4311,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
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 <ol style="list-style-type: decimal">
 <li>The text from each file in turn gets written to the
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   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
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 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
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@@ -4782,7 +4782,7 @@ <h4 class="accordion-header" id="headingSolution7">
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   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
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 <p>The second version is the one we want to run. This prints to screen
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@@ -4833,7 +4833,7 @@ <h4 class="accordion-header" id="headingSolution8">
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   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
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 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
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   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <p>If a command causes something to crash or hang, it might be useful to
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@@ -5400,7 +5400,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
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 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -5457,7 +5457,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
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 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -5600,7 +5600,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
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 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
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@@ -6523,8 +6523,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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index 6eea1f0cc..9d6981616 100644
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   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
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index cece6e3f6..c9e17fb70 100644
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   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
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   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
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   "dateCreated": "2014-10-22",
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-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index c3d4c76d1..a2a3736d8 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -504,8 +504,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://swcarpentry.github.io/shell-novice/instructor/key-points.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/key-points.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 7cf323dbe..84eb7415d 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -285,8 +285,8 @@ <h1>Learner Profiles</h1>
   "url": "https://swcarpentry.github.io/shell-novice/instructor/profiles.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/profiles.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 6c3a84ddc..ea4f1d12e 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -619,7 +619,7 @@ <h3 id="miscellaneous">Miscellaneous<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/reference.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index c7d0e71d3..622a3112e 100644
--- a/key-points.html
+++ b/key-points.html
@@ -508,8 +508,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://swcarpentry.github.io/shell-novice/key-points.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/key-points.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 5a4daa581..05b07cb7f 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-06-20T00:24Z
+last_built: 2023-06-27T00:29Z
 
diff --git a/profiles.html b/profiles.html
index 54dbbce78..154647030 100644
--- a/profiles.html
+++ b/profiles.html
@@ -286,8 +286,8 @@ <h1>Learner Profiles</h1>
   "url": "https://swcarpentry.github.io/shell-novice/profiles.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/profiles.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2023-06-20",
-  "datePublished": "2023-06-20"
+  "dateModified": "2023-06-27",
+  "datePublished": "2023-06-27"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index b0a2be5b1..bfb60b037 100644
--- a/reference.html
+++ b/reference.html
@@ -618,7 +618,7 @@ <h3 id="miscellaneous">Miscellaneous<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/reference.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2023-06-20"
+  "datePublished": "2023-06-27"
 }
 
   </script><script>