NAME pam_unix - Module for traditional password authentication SYNOPSIS pam_unix.so [...] DESCRIPTION This is the standard ... password supported by the pam_unix module via the hel…helper program for the pam_unix module that updates the password of a given user ... data format are internal to the pam_unix module and it should not be calledhelper program for the pam_unix module that verifies the password of the current user ... data format are internal to the pam_unix module and it should not be calledthat service (usually after the pam_unix session line): #%PAM-1.0 # # Resource limits imposedcode originally in pam_pwhistory and pam_unix modules