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groups.1

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.\" Copyright 1991, 1992, John F. Haugh II
.\" All rights reserved.
.\"
.\" Permission is granted to copy and create derivative works for any
.\" non-commercial purpose, provided this copyright notice is preserved
.\" in all copies of source code, or included in human readable form
.\" and conspicuously displayed on all copies of object code or
.\" distribution media.
.\"
.\"	@(#)groups.1	3.2	14:52:10	28 Apr 1992
.\"
.TH GROUPS 1
.SH NAME
groups \- Display current group ID names
.SH SYNOPSIS
.B groups
[
.I user
]
.SH DESCRIPTION
.I groups
displays the current group ID names
or values.
If the value does not have a corresponding entry in
\fB/etc/group\fR, the value will be displayed as the numerical group value.
The optional \fIuser\fR parameter will display the groups for the named
\fIuser\R.
.SH Note
Systems which do not support concurrent group sets will have the information
from \fB/etc/group\fR reported.
The user must use \fInewgrp\fR or \fIsg\fR to change their current real and
effective group ID.
.SH Files
/etc/group \- group information
.SH See Also
newgrp(1), getuid(2), getgid(2), getgroups(2)