Added LZO compression.

[dump.git] / dump / dump.8.in

diff --git a/dump/dump.8.in b/dump/dump.8.in
index 13fae882b4e12d8c631817a732a4f38d23ad6495..4825ab36a62425ba15fbd532fd82d263463b188e 100644 (file)
--- a/dump/dump.8.in
+++ b/dump/dump.8.in
@@ -10,11 +10,7 @@
 .\" 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
+.\" 3. 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.
 .\"
@@ -30,7 +26,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"    $Id: dump.8.in,v 1.50 2003/03/06 14:35:51 stelian Exp $
+.\"    $Id: dump.8.in,v 1.52 2003/03/31 09:42:57 stelian Exp $
 .\"
 .TH DUMP 8 "version __VERSION__ of __DATE__" BSD "System management commands"
 .SH NAME
@@ -54,6 +50,7 @@ dump \- ext2/3 filesystem backup
 [\fB\-Q \fIfile\fR]
 [\fB\-s \fIfeet\fR]
 [\fB\-T \fIdate\fR]
+[\fB\-y\fR]
 [\fB\-z\fIcompression level\fR]
 .I files-to-dump
 .PP
@@ -440,6 +437,16 @@ and
 .I /etc/fstab
 which need to be dumped.
 .TP
+.BI \-y
+Compress every block to be written to the tape using the lzo library.
+This doesn't compress as well as the zlib library but it's much faster.
+This option will work only when dumping to a file or pipe or, when dumping to
+a tape drive, if the tape drive is capable of writing variable length blocks.
+You will need at least the 0.4b34 version of
+.B restore
+in order to extract compressed tapes. Tapes written using compression will not
+be compatible with the BSD tape format.
+.TP
 .BI \-z "compression level"
 Compress every block to be written on the tape using zlib library. This option
 will work only when dumping to a file or pipe or, when dumping to a tape drive,