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    Command:

    chage

    
    
    

    SYNOPSIS

           chage [options] [LOGIN]
    
    
    

    DESCRIPTION

           The chage command changes the number of days between password changes
           and the date of the last password change. This information is used by
           the system to determine when a user must change his/her password.
    
    
    

    OPTIONS

           The options which apply to the chage command are:
    
           -d, --lastday LAST_DAY
               Set the number of days since January 1st, 1970 when the password
               was last changed. The date may also be expressed in the format
               YYYY-MM-DD (or the format more commonly used in your area). If the
               LAST_DAY is set to 0 the user is forced to change his password on
               the next log on.
    
           -E, --expiredate EXPIRE_DATE
               Set the date or number of days since January 1, 1970 on which the
               user?s account will no longer be accessible. The date may also be
               expressed in the format YYYY-MM-DD (or the format more commonly
               used in your area). A user whose account is locked must contact the
               system administrator before being able to use the system again.
    
               Passing the number -1 as the EXPIRE_DATE will remove an account
               expiration date.
    
           -h, --help
               Display help message and exit.
    
           -I, --inactive INACTIVE
               Set the number of days of inactivity after a password has expired
               before the account is locked. The INACTIVE option is the number of
               days of inactivity. A user whose account is locked must contact the
               system administrator before being able to use the system again.
    
               Passing the number -1 as the INACTIVE will remove an account?s
               inactivity.
    
           -l, --list
               Show account aging information.
    
           -m, --mindays MIN_DAYS
               Set the minimum number of days between password changes to
               MIN_DAYS. A value of zero for this field indicates that the user
               may change his/her password at any time.
    
           -M, --maxdays MAX_DAYS
               Set the maximum number of days during which a password is valid.
               When MAX_DAYS plus LAST_DAY is less than the current day, the user
               will be required to change his/her password before being able to
    
           fashion, prompting the user with the current values for all of the
           fields. Enter the new value to change the field, or leave the line
           blank to use the current value. The current value is displayed between
           a pair of [ ] marks.
    
    
    

    NOTE

           The chage program requires a shadow password file to be available.
    
           The chage command is restricted to the root user, except for the -l
           option, which may be used by an unprivileged user to determine when
           his/her password or account is due to expire.
    
    
    

    FILES

           /etc/passwd
               User account information.
    
           /etc/shadow
               Secure user account information.
    
    
    

    EXIT VALUES

           The chage command exits with the following values:
    
           0
               success
    
           1
               permission denied
    
           2
               invalid command syntax
    
           15
               can?t find the shadow password file
    
    
    

    SEE ALSO

           passwd(5), shadow(5).
    
    
    

    User Commands 07/24/2009 CHAGE(1)

    
    
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