initial import of NetBSD tree

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diff --git a/usr.bin/chflags/chflags.1 b/usr.bin/chflags/chflags.1
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+.\"	$NetBSD: chflags.1,v 1.4 1995/08/31 22:50:22 jtc Exp $
+.\"
+.\" Copyright (c) 1989, 1990, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.
+.\"
+.\" 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. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+.\"
+.\"	@(#)chflags.1	8.4 (Berkeley) 5/2/95
+.\"
+.Dd May 2, 1995
+.Dt CHFLAGS 1
+.Os
+.Sh NAME
+.Nm chflags
+.Nd change file flags
+.Sh SYNOPSIS
+.Nm chflags
+.Oo
+.Fl R
+.Op Fl H | Fl L | Fl P
+.Oc
+.Ar flags
+.Ar file ...
+.Sh DESCRIPTION
+The
+.Nm chflags
+utility modifies the file flags of the listed files
+as specified by the
+.Ar flags
+operand.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl H
+If the
+.Fl R
+option is specified, symbolic links on the command line are followed.
+(Symbolic links encountered in the tree traversal are not followed.)
+.It Fl L
+If the
+.Fl R
+option is specified, all symbolic links are followed.
+.It Fl P
+If the
+.Fl R
+option is specified, no symbolic links are followed.
+.It Fl R
+Change the file flags for the file hierarchies rooted
+in the files instead of just the files themselves.
+.El
+.Pp
+Flags are a comma separated list of keywords.
+The following keywords are currently defined:
+.Bd -literal -offset indent compact
+arch	set the archived flag
+opaque	set the opaque flag (owner or super-user only)
+nodump	set the nodump flag (owner or super-user only)
+sappnd	set the system append-only flag (super-user only)
+schg	set the system immutable flag (super-user only)
+uappnd	set the user append-only flag (owner or super-user only)
+uchg	set the user immutable flag (owner or super-user only)
+.Ed
+.Pp
+Putting the letters
+.Dq no
+before an option causes the flag to be turned off.
+For example:
+.Bd -literal -offset indent compact
+nouchg	the immutable bit should be cleared
+.Ed
+.Pp
+Symbolic links do not have flags, so unless the
+.Fl H
+or
+.Fl L
+option is set,
+.Nm chflags
+on a symbolic link always succeeds and has no effect.
+The
+.Fl H ,
+.Fl L
+and
+.Fl P
+options are ignored unless the
+.Fl R
+option is specified.
+In addition, these options override each other and the
+command's actions are determined by the last one specified.
+.Pp
+The
+.Nm chflags
+utility exits 0 on success, and >0 if an error occurs.
+.Sh SEE ALSO
+.Xr chflags 2 ,
+.Xr stat 2 ,
+.Xr fts 3 ,
+.Xr symlink 7