delete a group
' groupdel 'u groupdel [ options ] GROUP
The groupdel command modifies the system account files, deleting all entries that refer to GROUP . The named group must exist .
The options which apply to the groupdel command are:
-h , --help Display help message and exit .
-R , --root CHROOT_DIR Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory .
-P , --prefix PREFIX_DIR Apply changes in the PREFIX_DIR directory and use the configuration files from the PREFIX_DIR directory . This option does not chroot and is intended for preparing a cross -compilation target . Some limitations: NIS and LDAP users/groups are not verified . PAM authentication is using the host files . No SELINUX support .
You may not remove the primary group of any existing user . You must remove the user before you remove the group .
You should manually check all file systems to ensure that no files remain owned by this group .
The following configuration variables in /etc/login .defs change the behavior of this tool:
MAX_MEMBERS_PER_GROUP (number) Maximum members per group entry . When the maximum is reached, a new group entry (line) is started in /etc/group (with the same name, same password, and same GID) .
/etc/group Group account information .
/etc/gshadow Secure group account information .
The groupdel command exits with the following values:
2 invalid command syntax
6 specified group doesn (Aqt exist
8 can (Aqt remove user (Aqs primary group
10 can (Aqt update group file