...EE ALSO crypt (3), getent (1), getpwnam (3), login (1), passwd (1), pwck (8), pwconv (8), pwunconv (8), shadow (5), su (1), sulogin (8)....ement tools. SEE ALSO chage (1), login (1), passwd (1), passwd (5), pwck (8), pwconv (8), pwunconv (8), su (1), sulogin (8).