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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>newgrp</title><link rel="stylesheet" type="text/css" href="docbook.css"><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="cygwin-ug-net.html" title="Cygwin User's Guide"><link rel="up" href="using-utils.html" title="Cygwin Utilities"><link rel="prev" href="mount.html" title="mount"><link rel="next" href="passwd.html" title="passwd"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">newgrp</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="mount.html">Prev</a> </td><th width="60%" align="center">Cygwin Utilities</th><td width="20%" align="right"> <a accesskey="n" href="passwd.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="newgrp"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>newgrp — change primary group for a command</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">newgrp</code> [-] [<em class="replaceable"><code>group</code></em>] [<em class="replaceable"><code>command</code></em>
[<em class="replaceable"><code>args</code></em>...]
]</p></div></div><div class="refsect1"><a name="newgrp-desc"></a><h2>Description</h2><p><span class="command"><strong>newgrp</strong></span> changes the primary group for a
command.</p><p>If the <code class="option">-</code> flag is given as first argument, the
user's environment will be reinitialized as though the user had logged
in, otherwise the current environment, including current working
directory, remains unchanged.</p><p><span class="command"><strong>newgrp</strong></span> changes the current primary group to the
named group, or to the default group listed in /etc/passwd if no group
name is given.</p><p>By default, the user's standard shell is started, called as login
shell if the <code class="option">-</code> flag has been specified. If a group
has been given as argument, a command and its arguments can be
specified on the command line.</p><p>The new primary group must be either the old primary group, or
it must be part of the supplementary group list. Setting the primary
group to an arbitrary group is not allowed in Windows.</p></div><div class="refsect1"><a name="newgrp-seealso"></a><h2>See also</h2><p><span class="command"><strong>id</strong></span>(1), <span class="command"><strong>login</strong></span>(1).</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="mount.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="using-utils.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="passwd.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">mount </td><td width="20%" align="center"><a accesskey="h" href="cygwin-ug-net.html">Home</a></td><td width="40%" align="right" valign="top"> passwd</td></tr></table></div></body></html>
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