PASSWD(1)               COMMAND REFERENCE               PASSWD(1)



NAME
     passwd - change login password

SYNOPSIS
     passwd [ -f filename ] [ userid]

DESCRIPTION
     This command changes (or installs) a password associated
     with the user userid (your own user name by default).

     The program prompts for the old password and then prompts
     for the new password; the caller must supply both.  The new
     password must be typed twice, to forestall mistakes.

     New passwords must be at least four characters long if they
     use a sufficiently rich alphabet and at least six characters
     long if monocase; at least one non-numeric character is
     required.  These rules are relaxed if you are insistent
     enough.

     Only the owner of the name or the superuser may change a
     password; the owner must prove he or she knows the old
     password.

     Use yppasswd to change your password in the network Yellow
     Pages; this will not affect your local password, or your
     password on any remote machines on which you have accounts.

OPTIONS
     -ffilename          Treat file as the password file.

EXAMPLES
     To change your own password, execute the command passwd with
     no arguments. You will be prompted for all required
     information.


          passwd
          Changing old password for username

          Old password:
          New password:
          Retype new password:


FILES
     /etc/passwd
               System user account information file

     /etc/yp/passwd
               Yellow Pages user account information file




Printed 5/12/88                                                 1

PASSWD(1)               COMMAND REFERENCE               PASSWD(1)



RETURN VALUE
     [NO_ERRS]      Command completed without error.

     [USAGE]        Incorrect command line syntax. Execution
                    terminated.

     [NP_WARN]      An error warranting a warning message
                    occurred. Execution continues.

     [P_WARN]       A system error occurred. Execution continues.
                    See intro(2) for more information on system
                    errors.

     [NP_ERR]       An error occurred that was not a system
                    error.  Execution terminated.

     [P_ERR]        A system error occurred. Execution
                    terminated.  See intro(2) for more
                    information on system errors.

SEE ALSO
     login(1), crypt(3c), passwd(5), and yppasswd(1).

CAVEATS
     The passwd command changes a local password, but does not
     change a password in the network Yellow Pages.  Refer to
     yppasswd(1) for information on how to change a Yellow Pages
     password.



























Printed 5/12/88                                                 2

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ca:3928,385;
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%%index%%000000000147