.TH CHGRP 1 "17 March 1982" .UC 4.1a Provisional .SH NAME chgrp \- change group .SH SYNOPSIS .B chgrp group file ... .SH DESCRIPTION .I Chgrp changes the group-ID of the .I files to .IR group . The group may be either a decimal GID or a group name found in the group-ID file. .PP The user invoking \fIchgrp\fP must belong to the specified group, or be the super-user. .SH FILES /etc/group .SH "SEE ALSO" chgrp(8), chown(2), passwd(5), group(5)