PASSWD(1M) INTERACTIVE UNIX System PASSWD(1M)
NAME
passwd - change login password and password attributes
SYNOPSIS
passwd [ name ]
passwd -l [ -f ] [ -x max ] [ -n min ] name
passwd -d [ -f ] [ -x max ] [ -n min ] name
passwd -s [ -a ]
passwd -s [ name ]
DESCRIPTION
This command changes or installs login passwords and pass-
word attributes associated with the login name. The options
to passwd are:
-l Locks password entry for name.
-d Deletes password for name. The login name will not be
prompted for password.
-x Set maximum field for name. The max field contains the
number of days that the password is valid for name.
The aging for name will be turned off if max is set to
0.
-n Set minimum field for name. The min field contains the
minimum number of days between password changes for
name.
-s Shows password attributes for name. The format of the
display will be:
name status mm/dd/yy min max
or, if password aging information is not present,
name status
name is the login ID of the user. status is the pass-
word status of name. PS stands for passworded or
locked, LK stands for locked, and NP stands for no
password. mm/dd/yy is the date password was last
changed for name. min is the minimum number of days
required between password changes for name. max is the
maximum number of days the password is valid for name.
-a Show password attributes for all entries. Use only
with -s option; name must not be provided.
-f Force the user to change password at the next login by
expiring the password for name.
Privileged users may change any password; hence, passwd does
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PASSWD(1M) INTERACTIVE UNIX System PASSWD(1M)
not prompt privileged users for the old password.
Privileged users are not forced to comply with password
aging and password construction requirements. A privileged
user can create a null password by entering a carriage
return in response to the prompt for a new password.
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PASSWD(1M) INTERACTIVE UNIX System PASSWD(1M)
FILES
/etc/passwd
/etc/shadow
/etc/opasswd
/etc/oshadow
/etc/default/passwd
SEE ALSO
id(1M), login(1), passmgmt(1M), passwd(1), su(1M).
crypt(3C), passwd(4) in the INTERACTIVE SDS Guide and
Programmer's Reference Manual.
DIAGNOSTICS
The passwd command exits with one of the following values:
0 SUCCESS.
1 Permission denied.
2 Invalid combination of options.
3 Unexpected failure. Password file unchanged.
4 Unexpected failure. Password file missing.
5 Password file(s) busy. Try again later.
6 Invalid argument to option.
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