.Sh DESCRIPTION
The
.Nm
-command
+utility
allows editing of the user database information associated
with
.Ar user
or, by default, the current user.
.Pp
The
-.Xr chfn 1 ,
-.Xr chsh 1 ,
-.Xr ypchpass 1 ,
-.Xr ypchfn 1
+.Nm chfn ,
+.Nm chsh ,
+.Nm ypchpass ,
+.Nm ypchfn
and
-.Xr ypchsh 1
-commands behave identically to
+.Nm ypchsh
+utilities behave identically to
.Nm .
-.Pq There is only one program.
+(There is only one program.)
.Pp
The information is formatted and supplied to an editor for changes.
.Pp
across a group of systems) as they control file access.
.Pp
While it is possible to have multiple entries with identical login names
-and/or identical user id's, it is usually a mistake to do so. Routines
+and/or identical user id's, it is usually a mistake to do so.
+Routines
that manipulate these files will often return only one of the multiple
entries, and that one by random selection.
.Pp
Force
.Nm
to modify the local copy of a user's password
-information in the even that a user exists in both
+information in the event that a user exists in both
the local and NIS databases.
.It Fl y
Opposite effect of
.Nm
utility uses the system domain name by default, as set by the
.Xr domainname 1
-command.
+utility.
The
.Fl d
option can be used to override a default, or to specify a domain
allows unrestricted changes to the NIS passwd maps using dedicated,
non-RPC-based mechanism (in this case, a
.Ux
-domain socket). The
+domain socket).
+The
.Fl o
flag can be used to force
.Nm
.Sh HISTORY
The
.Nm
-command appeared in
+utility appeared in
.Bx 4.3 Reno .