1.\" Copyright (c) 1983, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)chgrp.1 6.6 (Berkeley) 03/14/91 7.\" 8.Dd 9.Dt CHGRP 1 10.Os BSD 4.2 11.Sh NAME 12.Nm chgrp 13.Nd change group 14.Sh SYNOPSIS 15.Nm chgrp 16.Op Fl Rf 17.Ar group 18.Ar files ... 19.Sh DESCRIPTION 20The chgrp utility sets the group ID of the file named by each 21.Ar file 22operand to the 23.Ar group 24ID specified by the group operand. 25.Pp 26Options: 27.Bl -tag -width Ds 28.It Fl R 29Recursively change file group IDs. 30For each 31.Ar file 32operand that names a directory, chgrp changes the 33group of the directory and all files in the file 34hierarchy below it. 35When symbolic links are encountered, their group is changed, 36but they are not traversed. 37.It Fl f 38The force option ignores errors, except for usage errors and doesn't 39query about strange modes (unless user does not have proper permissions). 40.El 41.Pp 42Operands: 43.Bl -tag -width group 44.It Ar group 45The 46.Ar group 47can be either a group name from the group database, or a numeric 48group ID. 49.It Ar file 50A pathname of a file whose group ID is to be modified. 51.El 52.Pp 53The user invoking 54must belong 55to the specified group and be the owner of the file, or be the super-user. 56.Pp 57The 58.Nm chgrp 59utility exits 0 on success, and >0 if an error occurs. 60.Sh FILES 61.Bl -tag -width /etc/group -compact 62.It Pa /etc/group 63Group ID file 64.El 65.Sh SEE ALSO 66.Xr chown 2 , 67.Xr chown 8 , 68.Xr group 5 , 69.Xr passwd 5 70.Sh STANDARDS 71The 72.Nm chgrp 73function is expected to be POSIX 1003.2 compatible. 74This manual page is derived from the POSIX 1003.2 manual page. 75