passwd

pwdutils是一套密码管理工具

#%PAM-1.0
auth     required	pam_unix2.so	nullok
account  required	pam_unix2.so
password required	pam_pwcheck.so
password required	pam_unix2.so	use_first_pass use_authtok
#password required	pam_make.so	/var/yp
session  required	pam_unix2.so