chgrp.1

操作系统设计与实现源码

.TH CHGRP 1
.SH NAME
chgrp \- change group
.SH SYNOPSIS
\fBchgrp [\fB\-R\fR] [\fIowner:\fR]\fIgroup \fIfile\fR ...\fR
.br
.de FL
.TP
\\fB\\$1\\fR
\\$2
..
.de EX
.TP 20
\\fB\\$1\\fR
# \\$2
..
.SH OPTIONS
.FL "\-R" "Change directory hierarchies"
.SH EXAMPLES
.EX "chgrp system file1 file2" "Make \fIsystem\fR the group of the files"
.EX "chrgp \-R other dir1" "Make \fIother\fR the group of all files below dir1"
.SH DESCRIPTION
.PP
The group field (and optionally owner field) of the named files is changed to 
.I group
and
.I owner .
Alternatively, a decimal gid (uid) may be specified instead of a group name.
If the \fB\-R\fR flag is used, the changes will be applied recursively to
all files in named directories. Only the superuser may execute this command
to set arbitrary groups. Normal users can only change the group if they own
the file, and the group is their own group (Minix), or one of their
supplementary groups (Minix-vmd).
.SH "SEE ALSO"
.BR chown (1),
.BR chmod (1),
.BR ls (1),
.BR chown (2).