Switch to NetBSD passwd format

Based on work by Vivek Prakash and Gianluca Guida.

See UPDATING about caveats on currently existing accounts.

	. restores netbsd libc pwcache functions

usr.sbin/user/groupinfo.8

@@ -0,0 +1,90 @@
+.\" $NetBSD: groupinfo.8,v 1.12 2006/05/29 01:38:33 hubertf Exp $ */
+.\"
+.\" Copyright (c) 1999 Alistair G. Crooks.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. The name of the author may not be used to endorse or promote
+.\"    products derived from this software without specific prior written
+.\"    permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\"
+.Dd November 7, 2005
+.Dt GROUPINFO 8
+.Os
+.Sh NAME
+.Nm groupinfo
+.Nd displays group information
+.Sh SYNOPSIS
+.Nm
+.Op Fl ev
+.Ar group
+.Sh DESCRIPTION
+The
+.Nm
+utility retrieves the group information from the system.
+The
+.Nm
+utility is only available if built with
+.Dv EXTENSIONS .
+See
+.Xr group 8
+for more information.
+.Pp
+The following command line options are recognised:
+.Bl -tag -width Ds
+.It Fl e
+Return 0 if the group exists, and non-zero if the
+group does not exist, on the system.
+No information is displayed.
+This form of the command is useful for
+scripts which need to check whether a particular group
+name or gid is already in use on the system.
+.It Fl v
+Perform any actions in a verbose manner.
+.El
+.Pp
+The
+.Ar group
+argument may either be a group's name, or a gid.
+.Sh EXIT STATUS
+.Ex -std groupinfo
+.Sh FILES
+.Bl -tag -width /etc/usermgmt.conf -compact
+.It Pa /etc/usermgmt.conf
+.El
+.Sh SEE ALSO
+.Xr passwd 5 ,
+.Xr group 8
+.Sh HISTORY
+The
+.Nm
+utility first appeared in
+.Nx 1.5 .
+It is based on the
+.Ar addnerd
+package by the same author.
+.Sh AUTHORS
+The
+.Nm
+utility was written by
+.An Alistair G. Crooks
+.Aq agc@NetBSD.org .