shadow/man/groupmod.8

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.\"$Id: groupmod.8,v 1.13 2003/05/01 18:17:39 kloczek Exp $
.\" Copyright 1991, Julianne Frances Haugh
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.TH GROUPMOD 8
.SH NAME
groupmod \- Modify a group
.SH SYNOPSIS
\fBgroupmod\fR [\fB-g\fI gid \fR[\fB-o\fR]] [\fB-n\fI group_name \fR]
\fIgroup\fR
.SH DESCRIPTION
The \fBgroupmod\fR command modifies the system account files to reflect the
changes that are specified on the command line. The options which apply to
the \fIgroupmod\fR command are
.IP "\fB-g\fR \fIgid\fR"
The numerical value of the group's ID. This value must be unique, unless the
\fB-o\fR option is used. The value must be non-negative. Values between 0
and 99 are typically reserved for system groups. Any files which the old
group ID is the file group ID must have the file group ID changed manually.
.IP "\fB-n\fR \fIgroup_name\fR"
The name of the group will be changed from \fIgroup\fR to
\fIgroup_name\fR.
.SH FILES
\fI/etc/group\fR \- group information
.br
\fI/etc/gshadow\fR \- secure group information
.SH EXIT VALUES
.TP 2
The \fBgroupmod\fR command exits with the following values:
.br
\fB0\fR \- success
.br
\fB2\fR \- bad command syntax
.br
\fB3\fR \- invalid argument to option
.br
\fB4\fR \- gid already in use (and no -o)
.br
\fB6\fR \- specified group doesn't exist
.br
\fB9\fR \- group name already in use
.br
\fB10\fR \- can't update group file
.SH SEE ALSO
.BR chfn (1),
.BR chsh (1),
.BR passwd (1),
.BR groupadd (8),
.BR groupdel (8),
.BR useradd (8),
.BR userdel (8),
.BR usermod (8)
.SH AUTHOR
Julianne Frances Haugh (jockgrrl@ix.netcom.com)