Provided by:
passwd_4.1.4.2-1ubuntu3_i386 
groupadd -
groupadd
[-g gid [-o]] [-r] [-f] group
groupadd
groupadd
-g gid group's ID
-o
500 0~999
.IP -r
UID /etc/login.defs.
UID_MIN useradd
/etc/login.defs.
-m
RED HAT
999 gif
-g
RED HAT
-f This is force flag.
groupadd
( )
-g
gid gid
-o
(adding a group as neither -g or -o options were specified).
RED HAT
/etc/group -
/etc/gshadow -
chfn(1),
chsh(1), useradd(8), userdel(8), usermod(8), passwd(1), groupdel(8),
groupmod(8)
Julianne Frances Haugh (jfh@tab.com)
GROUPADD(8)