From 8107329829c8f0f16cc7e643dfbd315f114469c7 Mon Sep 17 00:00:00 2001 From: wiz Date: Mon, 25 Jul 2005 12:24:40 +0000 Subject: [PATCH] Various improvements. --- usr.bin/vndcompress/vndcompress.1 | 39 ++++++++++++++++--------------- 1 file changed, 20 insertions(+), 19 deletions(-) diff --git a/usr.bin/vndcompress/vndcompress.1 b/usr.bin/vndcompress/vndcompress.1 index 283a718fa59b..5d1e08af4cd8 100644 --- a/usr.bin/vndcompress/vndcompress.1 +++ b/usr.bin/vndcompress/vndcompress.1 @@ -1,4 +1,4 @@ -.\" $NetBSD: vndcompress.1,v 1.1.1.1 2005/07/25 12:17:59 hubertf Exp $ +.\" $NetBSD: vndcompress.1,v 1.2 2005/07/25 12:24:40 wiz Exp $ .\" .\" Copyright (c) 2005 Florian Stoehr .\" All rights reserved. @@ -38,7 +38,7 @@ .Nm vnduncompress .Nd compress/uncompress file system images to/from cloop2 format .Sh SYNOPSIS -.Nm vndcompress +.Nm .Op Fl cd .Ar disk/fs-image .Ar compressed-image @@ -50,7 +50,7 @@ .Sh DESCRIPTION The .Nm -program compresses an existing file system image +program compresses an existing file system image into a cloop2 compatible compressed file system image. An optional blocksize can be given. If omitted, the default of 64kB is used. @@ -63,31 +63,27 @@ regular image. The file system images that can be handled are not limited to any specific file system, i.e. it is possible to handle images e.g. in ISO 9660 or -UFS/FFS format. -File system images in the cloop2 format are intended to be used with +UFS/FFS format. +File system images in the cloop2 format are intended to be used with the .Xr vnd 4 driver in compressed mode as configured by the .Fl z option of the .Xr vnconfig 8 -program, -and later mounted with the appropriate +program, and later mounted with the appropriate .Fl t option to .Xr mount 8 . -.Pp .Sh OPTIONS The following options are available: .Bl -tag -width indent .It Fl c -Always compresses, even if the programm was ran as +Always compress, even if the programm was started as .Nm vnduncompress . .It Fl d -Always uncompresses (decompresses), even if the program -was ran as -.Nm vndcompress. +Always uncompress (decompress), even if the program was started as +.Nm . .El -.Pp .Sh EXIT STATUS The .Nm @@ -108,11 +104,13 @@ commands: .Ed .Pp Note that the resulting compressed image cannot be mounted directly -via NetBSD's +via +.Nx Ap s .Xr vnd 4 and .Xr mount_cd9660 8 -command any longer. Instead, you will have to use the +commands any longer. +Instead, you will have to use the .Fl z option of .Xr vnconfig 8 . @@ -139,9 +137,11 @@ boot etc initrd none root tmp vmlinuz .Pp As an alternative, if your .Xr vnd 4 -was compiled with VND_COMPRESSION, you can use +was compiled with +.Dv VND_COMPRESSION , +you can use .Xr vnconfig 8 -to access the cloop-compressed image directly, e.g. +to access the cloop-compressed image directly, e.g., .Bd -literal -offset indent # vnconfig vnd0 KNOPPIX.iso # mount -t cd9660 -o ro /dev/vnd0d /mnt @@ -161,10 +161,10 @@ Filesystem Size Used Avail Capacity Mounted on # vnconfig -u vnd0 .Ed .Pp -Note how the 1.9GB big filesystem on +Note how the 1.9GB big filesystem on .Pa /mnt2 is mounted from the compressed file stored on the 692MB CD mounted -on +on .Pa /mnt . To create a compressed file system image of an existing directory and mount it, run: @@ -190,6 +190,7 @@ To undo the steps, run: .Xr mount_cd9660 8 , .Xr vnconfig 8 .Sh AUTHORS +.An -nosplit The .Nm utility was written by