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:
-f, --force
This option forces the removal of the group, even if there's some user having the group as the primary one.
-h, --help
显示帮助信息并退出。
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the configuration files from the CHROOT_DIR directory. Only absolute paths are supported.
-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.
您不能移除现有用户的主组。在移除此组之前，必须先移除此用户。
您需要手动检查所有文件系统，以确保没有遗留的属于此组的文件。
The following configuration variables in /etc/login.defs change the behavior of this tool:
/etc/group
组账户信息。
/etc/gshadow
安全组账户信息。
The groupdel command exits with the following values:
0
success
2
invalid command syntax
6
specified group doesn't exist
8
can't remove user's primary group
10
can't update group file