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Annotation of 43BSDReno/usr.bin/passwd/passwd.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)passwd.1   6.7 (Berkeley) 6/22/90
        !            19: .\"
        !            20: .Dd June 22, 1990
        !            21: .Dt PASSWD 1
        !            22: .Os BSD 4
        !            23: .Sh NAME
        !            24: .Nm passwd
        !            25: .Nd modify a user's password
        !            26: .Sh SYNOPSIS
        !            27: .Nm passwd
        !            28: .Op Fl l
        !            29: .Op Ar user
        !            30: .Sh DESCRIPTION
        !            31: .Nm Passwd
        !            32: changes the user's Kerberos password.  First, the user is prompted for their
        !            33: current password.
        !            34: If the current password is correctly typed, a new password is
        !            35: requested.
        !            36: The new password must be entered two times to verify any typing errors.
        !            37: .Pp
        !            38: The new password should be at least six characters long and not
        !            39: purely alphabetic.
        !            40: Its total length must be less than _PASSWORD_LEN (currently 128 characters).
        !            41: Numbers, upper case letters and meta characters
        !            42: are encouraged.
        !            43: .Pp
        !            44: Once the password has been verified,
        !            45: .Nm passwd
        !            46: communicates the new password information to
        !            47: the Kerberos authenticating host.
        !            48: .Tp Fl l
        !            49: This option causes the password to be updated only in the local
        !            50: password file, and not with the Kerberos database.
        !            51: When changing only the local password,
        !            52: .Xr mkpasswd  8
        !            53: is used to update the user database.  This is run in the background, and,
        !            54: at very large sites could take several minutes.  Until this update
        !            55: is completed, the password file is unavailable for other updates
        !            56: and the new password will not be available to programs.
        !            57: .Tp
        !            58: .Pp
        !            59: To change another user's Kerberos password, one must first
        !            60: run
        !            61: .Xr kinit 1
        !            62: followed by
        !            63: .Xr passwd 1 .
        !            64: The super-user is not required to provide a user's current password
        !            65: if only the local password is modified.
        !            66: .Sh FILES
        !            67: .Dw /etc/master.passwd
        !            68: .Di L
        !            69: .Dp Pa /etc/master.passwd
        !            70: the user database
        !            71: .Dp
        !            72: .Sh SEE ALSO
        !            73: .Xr chpass 1 ,
        !            74: .Xr kerberos 1 ,
        !            75: .Xr kinit 1 ,
        !            76: .Xr login 1 ,
        !            77: .Xr passwd 5 ,
        !            78: .Xr kpasswdd 8 ,
        !            79: .Xr mkpasswd 8 ,
        !            80: .Xr vipw 8
        !            81: .br
        !            82: Robert Morris and Ken Thompson,
        !            83: .Em UNIX password security
        !            84: .Sh HISTORY
        !            85: A
        !            86: .Nm passwd
        !            87: command appeared in Version 6 AT&T UNIX.

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