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+<h1 class="appendixsec">Index of Shell Builtin Commands</h1> <table><tr>
+<th valign="top">Jump to: </th>
+<td>
+<a class="summary-letter" href="#Builtin-Index_bt_symbol-1"><b>.</b></a> <a class="summary-letter" href="#Builtin-Index_bt_symbol-2"><b>:</b></a> <a class="summary-letter" href="#Builtin-Index_bt_symbol-3"><b>[</b></a> <br> <a class="summary-letter" href="#Builtin-Index_bt_letter-A"><b>A</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-B"><b>B</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-C"><b>C</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-D"><b>D</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-E"><b>E</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-F"><b>F</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-G"><b>G</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-H"><b>H</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-J"><b>J</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-K"><b>K</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-L"><b>L</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-M"><b>M</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-P"><b>P</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-R"><b>R</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-S"><b>S</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-T"><b>T</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-U"><b>U</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-W"><b>W</b></a> </td>
+</tr></table> <table border="0"> <tr>
+<td></td>
+<th align="left">Index Entry</th>
+<th align="left"> Section</th>
+</tr>  <tr>
+<th id="Builtin-Index_bt_symbol-1">.</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#."><code>.</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_symbol-2">:</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#:"><code>:</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_symbol-3">[</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#%5B"><code>[</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-A">A</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#alias"><code>alias</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-B">B</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#bg"><code>bg</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#bind"><code>bind</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#break"><code>break</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#builtin"><code>builtin</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-C">C</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#caller"><code>caller</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#cd"><code>cd</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#command"><code>command</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="programmable-completion-builtins#compgen"><code>compgen</code></a></td>
+<td valign="top"><a href="programmable-completion-builtins#Programmable%20Completion%20Builtins">Programmable Completion Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="programmable-completion-builtins#complete"><code>complete</code></a></td>
+<td valign="top"><a href="programmable-completion-builtins#Programmable%20Completion%20Builtins">Programmable Completion Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="programmable-completion-builtins#compopt"><code>compopt</code></a></td>
+<td valign="top"><a href="programmable-completion-builtins#Programmable%20Completion%20Builtins">Programmable Completion Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#continue"><code>continue</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-D">D</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#declare"><code>declare</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="directory-stack-builtins#dirs"><code>dirs</code></a></td>
+<td valign="top"><a href="directory-stack-builtins#Directory%20Stack%20Builtins">Directory Stack Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#disown"><code>disown</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-E">E</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#echo"><code>echo</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#enable"><code>enable</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#eval"><code>eval</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#exec"><code>exec</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#exit"><code>exit</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#export"><code>export</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-F">F</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-history-builtins#fc"><code>fc</code></a></td>
+<td valign="top"><a href="bash-history-builtins#Bash%20History%20Builtins">Bash History Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#fg"><code>fg</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-G">G</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#getopts"><code>getopts</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-H">H</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#hash"><code>hash</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#help"><code>help</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-history-builtins#history"><code>history</code></a></td>
+<td valign="top"><a href="bash-history-builtins#Bash%20History%20Builtins">Bash History Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-J">J</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#jobs"><code>jobs</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-K">K</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#kill"><code>kill</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-L">L</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#let"><code>let</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#local"><code>local</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#logout"><code>logout</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-M">M</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#mapfile"><code>mapfile</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-P">P</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="directory-stack-builtins#popd"><code>popd</code></a></td>
+<td valign="top"><a href="directory-stack-builtins#Directory%20Stack%20Builtins">Directory Stack Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#printf"><code>printf</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="directory-stack-builtins#pushd"><code>pushd</code></a></td>
+<td valign="top"><a href="directory-stack-builtins#Directory%20Stack%20Builtins">Directory Stack Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#pwd"><code>pwd</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-R">R</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#read"><code>read</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#readarray"><code>readarray</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#readonly"><code>readonly</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#return"><code>return</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-S">S</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="the-set-builtin#set"><code>set</code></a></td>
+<td valign="top"><a href="the-set-builtin#The%20Set%20Builtin">The Set Builtin</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#shift"><code>shift</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="the-shopt-builtin#shopt"><code>shopt</code></a></td>
+<td valign="top"><a href="the-shopt-builtin#The%20Shopt%20Builtin">The Shopt Builtin</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#source"><code>source</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#suspend"><code>suspend</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-T">T</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#test"><code>test</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#times"><code>times</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#trap"><code>trap</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#type"><code>type</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#typeset"><code>typeset</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-U">U</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#ulimit"><code>ulimit</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#umask"><code>umask</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bash-builtins#unalias"><code>unalias</code></a></td>
+<td valign="top"><a href="bash-builtins#Bash%20Builtins">Bash Builtins</a></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="bourne-shell-builtins#unset"><code>unset</code></a></td>
+<td valign="top"><a href="bourne-shell-builtins#Bourne%20Shell%20Builtins">Bourne Shell Builtins</a></td>
+</tr>  <tr>
+<th id="Builtin-Index_bt_letter-W">W</th>
+<td></td>
+<td></td>
+</tr> <tr>
+<td></td>
+<td valign="top"><a href="job-control-builtins#wait"><code>wait</code></a></td>
+<td valign="top"><a href="job-control-builtins#Job%20Control%20Builtins">Job Control Builtins</a></td>
+</tr>  </table> <table><tr>
+<th valign="top">Jump to: </th>
+<td>
+<a class="summary-letter" href="#Builtin-Index_bt_symbol-1"><b>.</b></a> <a class="summary-letter" href="#Builtin-Index_bt_symbol-2"><b>:</b></a> <a class="summary-letter" href="#Builtin-Index_bt_symbol-3"><b>[</b></a> <br> <a class="summary-letter" href="#Builtin-Index_bt_letter-A"><b>A</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-B"><b>B</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-C"><b>C</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-D"><b>D</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-E"><b>E</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-F"><b>F</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-G"><b>G</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-H"><b>H</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-J"><b>J</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-K"><b>K</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-L"><b>L</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-M"><b>M</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-P"><b>P</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-R"><b>R</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-S"><b>S</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-T"><b>T</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-U"><b>U</b></a> <a class="summary-letter" href="#Builtin-Index_bt_letter-W"><b>W</b></a> </td>
+</tr></table><div class="_attribution">
+  <p class="_attribution-p">
+    Copyright &copy; 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.<br>Licensed under the GNU Free Documentation License.<br>
+    <a href="https://www.gnu.org/software/bash/manual/html_node/Builtin-Index.html" class="_attribution-link">https://www.gnu.org/software/bash/manual/html_node/Builtin-Index.html</a>
+  </p>
+</div>