4.4BSD/usr/share/man/cat1/passwd.0

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PASSWD(1)                    BSD Reference Manual                    PASSWD(1)

NNAAMMEE
     ppaasssswwdd - modify a user's password

SSYYNNOOPPSSIISS
     ppaasssswwdd [--ll] [_u_s_e_r]

DDEESSCCRRIIPPTTIIOONN
     PPaasssswwdd changes the user's Kerberos password.  First, the user is prompted
     for their current password.  If the current password is correctly typed,
     a new password is requested.  The new password must be entered twice to
     avoid typing errors.

     The new password should be at least six characters long and not purely
     alphabetic.  Its total length must be less than _PASSWORD_LEN (currently
     128 characters).  Numbers, upper case letters and meta characters are en-
     couraged.

     Once the password has been verified, ppaasssswwdd communicates the new password
     information to the Kerberos authenticating host.

     --ll    This option causes the password to be updated only in the local
           password file, and not with the Kerberos database.  When changing
           only the local password, pwd_mkdb(8) is used to update the password
           databases.

     To change another user's Kerberos password, one must first run kinit(1)
     followed by passwd(1).  The super-user is not required to provide a us-
     er's current password if only the local password is modified.

FFIILLEESS
     /etc/master.passwd  The user database
     /etc/passwd         A Version 7 format password file
     /etc/passwd.XXXXXX  Temporary copy of the password file

SSEEEE AALLSSOO
     chpass(1),  kerberos(1),  kinit(1),  login(1),  passwd(5),  kpasswdd(8),
     pwd_mkdb(8),  vipw(8)

     Robert Morris, and Ken Thompson, _U_N_I_X _p_a_s_s_w_o_r_d _s_e_c_u_r_i_t_y.

HHIISSTTOORRYY
     A ppaasssswwdd command appeared in Version 6 AT&T UNIX.

4th Berkeley Distribution        June 6, 1993                                1