Normally, a file's group can be changed by the file's owner, if the owner is a member of the new group, or by the leader of both the file's current group and the new group, but various underlying devices, file servers and host operating systems might not permit the operation at all. Group and ownership changes allowed by a given device are documented by the device's manual page. See sys-stat(2) for the variations amongst host operating systems.
CHGRP(1 ) | Rev: Thu Feb 15 14:42:47 GMT 2007 |