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Clarify when the user gets a prompt for the old password, and that

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passwords are not echoed.

Get quotes right in troff.
This commit is contained in:
Greg Lehey 1999-05-03 00:56:05 +00:00
parent 4221e284a3
commit 9045b882d5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=46350
1 changed files with 33 additions and 13 deletions
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46
usr.bin/passwd/passwd.1
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@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)passwd.1 8.1 (Berkeley) 6/6/93
.\" $Id: passwd.1,v 1.13 1999/01/23 08:36:38 markm Exp $
.\" $Id: passwd.1,v 1.14 1999/04/30 18:19:42 hoek Exp $
.\"
.Dd June 6, 1993
.Dt PASSWD 1
@ -50,16 +50,23 @@
.Op Fl o
.Sh DESCRIPTION
.Nm Passwd
changes the user's local, Kerberos, or NIS 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.
changes the user's local, Kerberos, or NIS password.
If the user is not the super-user,
.Nm passwd
first prompts for the current password and will not continue unless the correct
password is entered.
.Pp
When entering the new password, the characters entered do not echo, in order to
avoid the password being seen by a passer-by.
.Nm passwd
prompts for the new password twice in order to detect typing errors.
.Pp
The new password should be at least six characters long (which
may be overridden using the
.Xr login.conf 5
"minpasswordlen" setting for a user's login class) and not purely alphabetic.
.if t ``minpasswordlen''
.if n "minpasswordlen"
setting for a user's login class) and not purely alphabetic.
Its total length must be less than
.Dv _PASSWORD_LEN
(currently 128 characters).
@ -80,8 +87,10 @@ is used to update the password databases.
.Pp
.El
When changing local or NIS password, the next password change date
is set according to "passwordtime" capability in the user's
login class.
is set according to
.if t ``passwordtime''
.if n "passwordtime"
capability in the user's login class.
.Pp
To change another user's Kerberos password, one must first
run
@ -95,7 +104,10 @@ if only the local password is modified.
has built-in support for NIS. If a user exists in the NIS password
database but does not exist locally,
.Nm passwd
automatically switches into ``yppasswd'' mode. If the specified
automatically switches into
.if t ``yppasswd''
.if n "yppasswd"
mode. If the specified
user does not exist in either the local password database of the
NIS password maps,
.Nm passwd
@ -127,9 +139,14 @@ When NIS is enabled, the
.Fl l
flag can be used to force
.Nm passwd
into ``local only'' mode. This flag can be used to change the entry
into
.if t ``local only''
.if n "local only"
mode. This flag can be used to change the entry
for a local user when an NIS user exists with the same login name.
For example, you will sometimes find entries for system ``placeholder''
For example, you will sometimes find entries for system
.if t ``placeholder''
.if n "placeholder"
users such as
.Pa bin
or
@ -161,7 +178,10 @@ option and
.Nm passwd
is unable to determine the name of the NIS master server (possibly because
the local domainname isn't set), the name of the NIS master is assumed to
be ``localhost''. This can be overidden with the
be
.if t ``localhost''.
.if n "localhost".
This can be overidden with the
.Fl s
flag. The specified hostname need not be the name of an NIS master: the
name of the NIS master for a given map can be determined by querying any