Linux Command Directory
This directory of Linux commands is from Linux in a Nutshell, 5th Edition.
Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.
groupmod [options] group
System administration command. Modify group information for group.
Change the numerical value of the group ID. Any files that have the old gid must be changed manually. The new gid must be unique, unless the -o option is used.
Change the group name to name.
Override. Accept a nonunique gid.