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
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