PASSWD(1) PASSWD(1)
passwd [-f|-s] [name]
passwd [-g] [-r|-R] group
passwd [-x max] [-n min] [-w warn] [-i inact] login
passwd {-l|-u|-d|-S|-e} login
passwd
-s
passwd chsh
-f
passwd chfn
GECOS
2 chsh chfn
1
passwd
6 8
0 9
kill passwd
passwd
-g
-g -r
-R -g
-x, -n, -w, -i
-x max -n
min -w
warn
-i
inact
-e
-d ()
-l -u
-l
-u
-S
6
(L)
(NP)
(P) 2 4
UNIX
NBS DES
Pass%word
Ask not for whom the bell tolls.
An4wtbt.
NIS
(: yppasswd(8) )
/etc/passwd -
/etc/shadow -
group(5),
passwd(5), shadow(5)
PASSWD(1)