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<html><head><title>Overview of Commands (UNIX in a Nutshell: System V Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Arnold Robbins" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="1-56592-427-4" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="UNIX in a Nutshell: System V Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Book Title" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch18_01.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch18_03.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">18.2. Overview of Commands</h2><p><a name="ch18comm1" /><a name="ch18comm2" />SCCS commands fall into several categories.</p><a name="unut-ch-18-sect-1.1" /><div class="sect2"><h3 class="sect2">18.2.1. Basic Setup and Editing</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">admin</tt></td><td><p>Create new SCCS files and change their parameters.</p></td></tr><tr><td><tt class="literal">get</tt></td><td><p>Retrieve versions of SCCS files.</p></td></tr><tr><td><tt class="literal">delta</tt></td><td><p>Create a new version of an SCCS file (i.e., append a new <em class="emphasis">delta</em>).</p></td></tr><tr><td><tt class="literal">unget</tt></td><td><p>Cancel a <tt class="literal">get</tt> operation; don't create a new delta.</p></td></tr></table><p></div><a name="unut-ch-18-sect-1.2" /><div class="sect2"><h3 class="sect2">18.2.2. Fixing Deltas</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">cdc</tt></td><td><p>Change the comment associated with a delta.</p></td></tr><tr><td><tt class="literal">comb</tt></td><td><p>Combine consecutive deltas into a single delta.</p></td></tr><tr><td><tt class="literal">rmdel</tt></td><td><p>Remove an accidental delta from an SCCS file.</p></td></tr></table><p></div><a name="unut-ch-18-sect-1.3" /><div class="sect2"><h3 class="sect2">18.2.3. Information</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">help</tt></td><td><p>Print a command synopsis or clarify diagnostic messages.</p></td></tr><tr><td><tt class="literal">prs</tt></td><td><p>Print portions of SCCS files in a specified format.</p></td></tr><tr><td><tt class="literal">prt</tt></td><td><p>Format and print the contents of one or more SCCS files. Solaris only.</p></td></tr><tr><td><tt class="literal">sact</tt></td><td><p>Show editing activity on SCCS files.</p></td></tr><tr><td><tt class="literal">what</tt></td><td><p>Search for all occurrences of the pattern <tt class="literal">get</tt> substitutes for <tt class="literal">%Z%</tt>, and print the following text.</p></td></tr></table><p></div><a name="unut-ch-18-sect-1.4" /><div class="sect2"><h3 class="sect2">18.2.4. Comparing Files</h3><table border="1" cellpadding="3"><tr><td><tt class="literal">sccsdiff</tt></td><td><p>Show the differences between any two SCCS files.</p></td></tr><tr><td><tt class="literal">val</tt></td><td><p>Validate an SCCS file.</p></td></tr></table><p><a name="IXT-18-123487" /><a name="IXT-18-123488" /></div><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch18_01.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch18_03.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">18. The Source Code Control System</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">18.3. Basic Operation</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2003</a> O'Reilly & Associates. 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