useradd -
useradd [-c comment] [-d home_dir]
[-e expire_date] [-f inactive_time]
[-g initial_group] [-G group[,...]]
[-m [-k skeleton_dir] | -M] [-s shell]
[-u uid [ -o]] [-n] [-r] login
useradd -D [-g default_group] [-b default_home]
[-f default_inactive] [-e default_expire_date]
[-s default_shell]
-D , useradd
and .
Red Hat Linux
group , -n
useradd
-c comment
password
-d home_dir
home_dir
default_home login
-e expire_date
MM/DD/YY
-f inactive_days
0
-1 -1
-g initial_group
group (group)
1
-G group,[...]
groups
","
-g
-m
-k skeleton_dir
/etc/skel
skeleton_dir or /etc/skel
The -k -m
-M /etc/login.defs
-n
-r UID
/etc/login.defs.
UID_MIN useradd
/etc/login.defs.
-m
RED HAT
-s shell
shell
shell
-u uid ID ID -o
999 0~ 999
-D useradd
-b default_home
default_home
-d
-e default_expire_date
-f default_inactive
-g default_group
ID
I D
-s default_shell
shell
shell.
useradd
/etc/skel
seradd Red Hat
NIS
NIS
/etc/passwd -
/etc/shadow -
/etc/group -
/etc/default/useradd -
/etc/login.defs -
/etc/skel -
SEE ALSO
chfn(1), chsh(1), groupadd(8), groupdel(8), groupmod(8), passwd(1),
userdel(8), usermod(8)
AUTHOR
Julianne Frances Haugh (jfh@tab.com)
USERADD(8)