PASSWD(5) PASSWD(5)
passwd
()
ID
ID
shadow
shadow /etc/shadow
a zA Z0 9. / 64 13
crypt(3)
1970 1
finger(1)
3
pri= - nice
umask= - umask
ulimit= - ulimit
login HOME
login SHELL
/bin/sh
/etc/passwd -
login(1),
passwd(1), su(1), shadow(5), pwconv(8), pwunconv(8), sulogin(8)
PASSWD(5)