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This is the README for pam_unix in Linux-PAM-0.53.
--------------------------------------------------

pam_unix comes as four separate modules:

pam_unix_auth:		authentication module providing
		pam_authenticate() and pam_setcred() hooks

	NO options are recognized. Credential facilities are trivial
	(function simply returns)

pam_unix_sess:		session module, providing session logging

	"debug" and "trace" arguments are accepted, which indicate the
	logging-level for syslog.

		"debug" ->	LOG_DEBUG    [ also default ]
		"trace" ->	LOG_AUTHPRIV

pam_unix_acct:		account management, providing shadow account
		managment features, password aging etc..

	NO options are recognized. Account managment trivial without
	shadow active.

pam_unix_passwd:	password updating facilities providing
		cracklib password strength checking facilities.

	if compiled, the default behavior is to check passwords
	strictly using CrackLib. This behavior can be turned off
	with the argument

		"strict=false"

	invalid arguments are logged to syslog.

------------------------------
- Andrew 1996/11/9
------------------------------
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