documentation/2889: describe -W option in rm manpage more explicitly

>Number: 2889
>Category: documentation
>Synopsis: describe -W option in rm manpage more explicitly
>Confidential: no
http://www.blackant.net/
>Environment:

	System      : OpenBSD 3.1
	Architecture: OpenBSD.i386
	Machine     : i386

>Description:

	-W option in rm is vague.

>How-To-Repeat:

	man rm

description thanks to tedu <grendel@zeitbombe.org>

• src/bin/rm/rm.1.orig Thu Aug 15 16:06:38 2002 +++ src/bin/rm/rm.1 Thu Aug 15 16:08:48 2002 @@ -110,7 +110,12 @@ .It Fl W Attempts to undelete the named files. Currently, this option can only be used to recover -files covered by whiteouts. +files covered by whiteouts; +it works on union mounts only. Erasing a file on a union mount doesn't +actually delete it on the bottom layer. Instead it adds an entry saying, +"this file isn't here." Because the original file is still on the bottom +layer, erasing the whiteout entry in the union mount makes the file appear +again. .El .Pp The

>Release-Note:
Received on Thu Nov 7 16:26:26 2002