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UNIX_CHKPWD(8)				 Linux-PAM Manual			   UNIX_CHKPWD(8)

       unix_chkpwd - Helper binary that verifies the password of the current user

       unix_chkpwd [...]

       unix_chkpwd is a helper program for the pam_unix module that verifies the password of the
       current user. It also checks password and account expiration dates in shadow. It is not
       intended to be run directly from the command line and logs a security violation if done

       It is typically installed setuid root or setgid shadow.

       The interface of the helper - command line options, and input/output data format are
       internal to the pam_unix module and it should not be called directly from applications.


       Written by Andrew Morgan and other various people.

Linux-PAM Manual			    06/04/2011				   UNIX_CHKPWD(8)
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