chgroupcommand works just like
chuser, and its man page contains all the attributes you can change on a group. Listing provides an example of how to change the group's
xangroupGID from 203 to 204. Add a few users to the group, as well.
Listing Change the group's GID and add users
# grep xangroup /etc/group xangroup:!:203: # chgroup id=204 users=xander,atc,amdc xangroup # grep xangroup /etc/group xangroup:!:204:xander,atc,amdc