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diff --git a/misc/slackbook/html/file-commands-deletion.html b/misc/slackbook/html/file-commands-deletion.html new file mode 100644 index 00000000..5b4277c6 --- /dev/null +++ b/misc/slackbook/html/file-commands-deletion.html @@ -0,0 +1,189 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml"> +<head> +<meta name="generator" content="HTML Tidy, see www.w3.org" /> +<title>Deletion: rm and rmdir</title> +<meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.7" /> +<link rel="HOME" title="Slackware Linux Essentials" href="index.html" /> +<link rel="UP" title="Handling Files and Directories" href="file-commands.html" /> +<link rel="PREVIOUS" title="Copy and Move" href="file-commands-copymove.html" /> +<link rel="NEXT" title="Aliasing files with ln" href="file-commands-link.html" /> +<link rel="STYLESHEET" type="text/css" href="docbook.css" /> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> +</head> +<body class="SECT1" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#840084" +alink="#0000FF"> +<div class="NAVHEADER"> +<table summary="Header navigation table" width="100%" border="0" cellpadding="0" +cellspacing="0"> +<tr> +<th colspan="3" align="center">Slackware Linux Essentials</th> +</tr> + +<tr> +<td width="10%" align="left" valign="bottom"><a href="file-commands-copymove.html" +accesskey="P">Prev</a></td> +<td width="80%" align="center" valign="bottom">Chapter 10 Handling Files and +Directories</td> +<td width="10%" align="right" valign="bottom"><a href="file-commands-link.html" +accesskey="N">Next</a></td> +</tr> +</table> + +<hr align="LEFT" width="100%" /> +</div> + +<div class="SECT1"> +<h1 class="SECT1"><a id="FILE-COMMANDS-DELETION" name="FILE-COMMANDS-DELETION">10.6 +Deletion: <tt class="COMMAND">rm</tt> and <tt class="COMMAND">rmdir</tt></a></h1> + +<div class="SECT2"> +<h2 class="SECT2"><a id="AEN3733" name="AEN3733">10.6.1 <tt +class="COMMAND">rm</tt></a></h2> + +<p><tt class="COMMAND">rm</tt>(1) removes files and directory trees. DOS users will +notice the similarity to both the <tt class="COMMAND">del</tt> and <tt +class="COMMAND">deltree</tt> commands. <tt class="COMMAND">rm</tt> can be very dangerous +if you do not watch yourself. While it is sometimes possible to retrieve a recently +deleted file, it can be complicated (and potentially costly) and is beyond the scope of +this book.</p> + +<p>To remove a single file, specify its name when you run rm:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rm file1</kbd> +</pre> +</td> +</tr> +</table> + +<p>If the file has write permissions removed, you may get a permission denied error +message. To force removal of the file no matter what, pass the <tt +class="COMMAND">-f</tt> option, like this:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rm -f file1</kbd> +</pre> +</td> +</tr> +</table> + +<p>To remove an entire directory, you use the <var class="OPTION">-r</var> and <var +class="OPTION">-f</var> options together. This is a good example of how to delete the +entire contents of your hard drive. You really don't want to do this. But here's the +command anyway:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">#</samp> <kbd class="USERINPUT">rm -rf /</kbd> +</pre> +</td> +</tr> +</table> + +<p>Be very careful with <tt class="COMMAND">rm</tt>; you can shoot yourself in the foot. +There are several command line options, which are discussed in detail in the online +manual page.</p> +</div> + +<div class="SECT2"> +<h2 class="SECT2"><a id="AEN3764" name="AEN3764">10.6.2 <tt +class="COMMAND">rmdir</tt></a></h2> + +<p><tt class="COMMAND">rmdir</tt>(1) removes directories from the filesystem. The +directory must be empty before it can be removed. The syntax is simply:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rmdir <<var +class="REPLACEABLE">directory</var>></kbd> +</pre> +</td> +</tr> +</table> + +<p>This example will remove the <tt class="FILENAME">hejaz</tt> subdirectory in the +current working directory:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rmdir hejaz</kbd> +</pre> +</td> +</tr> +</table> + +<p>If that directory does not exist, <tt class="COMMAND">rmdir</tt> will tell you. You +can also specify a full path to a directory to remove, as this example shows:</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rmdir /tmp/hejaz</kbd> +</pre> +</td> +</tr> +</table> + +<p>That example will try to remove the <tt class="FILENAME">hejaz</tt> directory inside +the <tt class="FILENAME">/tmp</tt> directory.</p> + +<p>You can also remove a directory and all of its parent directories by passing the <var +class="OPTION">-p</var> option.</p> + +<table border="0" bgcolor="#E0E0E0" width="100%"> +<tr> +<td> +<pre class="SCREEN"> +<samp class="PROMPT">%</samp> <kbd class="USERINPUT">rmdir -p /tmp/hejaz</kbd> +</pre> +</td> +</tr> +</table> + +<p>This will first try to remove the <tt class="FILENAME">hejaz</tt> directory inside <tt +class="FILENAME">/tmp</tt>. If that is successful, it will try to remove <tt +class="FILENAME">/tmp</tt>. <tt class="COMMAND">rmdir</tt> will continue this until an +error is encountered or the entire tree specified is removed.</p> +</div> +</div> + +<div class="NAVFOOTER"> +<hr align="LEFT" width="100%" /> +<table summary="Footer navigation table" width="100%" border="0" cellpadding="0" +cellspacing="0"> +<tr> +<td width="33%" align="left" valign="top"><a href="file-commands-copymove.html" +accesskey="P">Prev</a></td> +<td width="34%" align="center" valign="top"><a href="index.html" +accesskey="H">Home</a></td> +<td width="33%" align="right" valign="top"><a href="file-commands-link.html" +accesskey="N">Next</a></td> +</tr> + +<tr> +<td width="33%" align="left" valign="top">Copy and Move</td> +<td width="34%" align="center" valign="top"><a href="file-commands.html" +accesskey="U">Up</a></td> +<td width="33%" align="right" valign="top">Aliasing files with <tt +class="COMMAND">ln</tt></td> +</tr> +</table> +</div> +</body> +</html> + |