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CentOS 7.0 - man page for lchage (centos section 1)

lchage(1)										lchage(1)

NAME
       lchage - Display or change user password policy

SYNOPSIS
       lchage [OPTION]... user

DESCRIPTION
       Displays or allows changing password policy of user.

OPTIONS
       -d, --date=days
	      Set the date of last password change to days after Jan 1 1970.

	      Set days to -1 to disable password expiration (i.e. to ignore --mindays, and --max-
	      days and related settings).

	      Set days to 0 to enforce password change on next login.  (This also disables  pass-
	      word expiration until the password is changed.)

       -E, --expire=days
	      Set  the	account expiration date to days after Jan 1 1970.  Set days to -1 to dis-
	      able account expiration.

       -i, --interactive
	      Ask all questions when connecting to the user database, even if default answers are
	      set up in libuser configuration.

       -I, --inactive=days
	      Disable  the  account after days after password expires (after the user is required
	      to change the password).	Set days to -1 to keep the account  enabled  indefinitely
	      after password expiration.

       -l, --list
	      Only list current user's policy and make no changes.

       -m, --mindays=days
	      Require  at  least days days between password changes.  Set days to 0 or -1 to dis-
	      able this requirement.

	      If this value is larger than the value set by --maxdays, the user cannot change the
	      pasword.

       -M, --maxdays=days
	      Require  changing  the password after days since last password change.  Set days to
	      -1 to disable password expiration.

       -W, --warndays=days
	      Start warning the user days before password expires (before the user is required to
	      change the password).  Set days to 0 or -1 to disable the warning.

EXIT STATUS
       The exit status is 0 on success, nonzero on error.

NOTES
       Note  that  "account  expiration" (set by --expire) is distinct from "password expiration"
       (set by --maxdays).  Account expiration happens on a fixed  date  regardless  of  password
       changes.  Password expiration is relative to the date of last password change.

libuser 				    Nov 8 2012					lchage(1)


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