+PASSWD(1) BSD Reference Manual PASSWD(1)
+
+N\bNA\bAM\bME\bE
+ p\bpa\bas\bss\bsw\bwd\bd - modify a user's password
+
+S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS
+ p\bpa\bas\bss\bsw\bwd\bd [-\b-l\bl] [_\bu_\bs_\be_\br]
+
+D\bDE\bES\bSC\bCR\bRI\bIP\bPT\bTI\bIO\bON\bN
+ P\bPa\bas\bss\bsw\bwd\bd 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, p\bpa\bas\bss\bsw\bwd\bd communicates the new password
+ information to the Kerberos authenticating host.
+
+ -\b-l\bl 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.
+
+F\bFI\bIL\bLE\bES\bS
+ /etc/master.passwd The user database
+ /etc/passwd A Version 7 format password file
+ /etc/passwd.XXXXXX Temporary copy of the password file
+
+S\bSE\bEE\bE A\bAL\bLS\bSO\bO
+ chpass(1), kerberos(1), kinit(1), login(1), passwd(5), kpasswdd(8),
+ pwd_mkdb(8), vipw(8)
+
+ Robert Morris, and Ken Thompson, _\bU_\bN_\bI_\bX _\bp_\ba_\bs_\bs_\bw_\bo_\br_\bd _\bs_\be_\bc_\bu_\br_\bi_\bt_\by.
+
+H\bHI\bIS\bST\bTO\bOR\bRY\bY
+ A p\bpa\bas\bss\bsw\bwd\bd command appeared in Version 6 AT&T UNIX.
+
+4th Berkeley Distribution June 6, 1993 1