Provided by:
login_4.1.4.2-1ubuntu3_i386 
/etc/login.defs
shadow
`#' `#'
``yes'' ``no''
``yes'', ``no'' ``no'' () 10 ( ``0'' ) 8 ( ``0x'' ) 16
:
CHFN_AUTH ()
yes
chfn, chsh
CHFN_RESTRICT ()
passwd
gecos
chfn
f, r, w, h
chfn SUID
GID_MAX ()
GID_MIN ()
useradd
groupadd
ID
MAIL_DIR ()
PASS_MAX_DAYS ()
-1 ()
PASS_MIN_DAYS ()
-1 ()
PASS_WARN_AGE ()
PASS_MAX_DAYS, PASS_MIN_DAYS, PASS_WARN_AGE
UID_MAX ()
UID_MIN ()
useradd
ID
UMASK ()
077
USERDEL_CMD ()
() at/cron/print
shadow
chfn CHFN_AUTH CHFN_RESTRICT
chsh CHFN_AUTH
groupadd GID_MAX GID_MIN
newusers PASS_MAX_DAYS PASS_MIN_DAYS PASS_WARN_AGE UMASK
pwconv PASS_MAX_DAYS PASS_MIN_DAYS PASS_WARN_AGE
useradd GID_MAX GID_MIN PASS_MAX_DAYS PASS_MIN_DAYS PASS_WARN_AGE
UID_MAX UID_MIN UMASK
userdel MAIL_DIR USERDEL_CMD
usermod MAIL_DIR
shadow
PAM
login(1), passwd(1), su(1)
/etc/login.defs
PAM
login(1),
passwd(1), su(1), passwd(5), shadow(5), pam(8)
Chip Rosenthal (chip@unicom.com)
LOGIN.DEFS(5)