+.TS
+allbox tab(:);
+l l
+l l
+l l
+l l
+l l
+l l
+l l.
+T{
+20001212\-14
+T}:T{
+match all dates beginning with 20001212, 20001213 or 20001214
+T}
+T{
+20001212\-4
+T}:T{
+same as previous
+T}
+T{
+20001212\-24
+T}:T{
+match all dates between 20001212 and 20001224
+T}
+T{
+2000121
+T}:T{
+match all dates that start with 2000121 (20001210\-20001219)
+T}
+T{
+2
+T}:T{
+match all dates that start with 2 (20000101\-29991231)
+T}
+T{
+2000\-10
+T}:T{
+match all dates between 20000101\-20101231
+T}
+T{
+200010$
+T}:T{
+match only 200010
+T}
+.TE
+.sp
+.PP
+.SH "DUMP SPECIFICATIONS"
+.PP
+A dump specification selects one or more dumps. It has the form
+\fI[host][:disk][@datestamp]\fR, where each component is a pattern as described above. If a component is missing, it is treated as a wildcard. The characters ':', '@', and '\e' may be escaped within any component by preceding them with a '\e'.
+.PP
+Some examples:
+.TS
+tab(:);
+l l
+l l
+l l
+l l
+l l
+l l.
+T{
+DUMPSPEC
+T}:T{
+DESCRIPTION
+T}
+T{
+client17
+T}:T{
+all dumps of client17
+T}
+T{
+@20080615
+T}:T{
+All dumps on with datestamps matching 20080615
+T}
+T{
+webserver:/var/www
+T}:T{
+All dumps of /var/www on host webserver
+T}
+T{
+webserver:/var/www@200806150317
+T}:T{
+The dump of webserver with datestamp 200806150317
+T}
+T{
+:/var/www
+T}:T{
+All dumps of /var/www on any host
+T}
+.TE
+.sp
+.SH "CONFIGURATION OVERRIDE"
+.PP
+Most command allow to overwrite any configuration parameter on the command line with the \-o option.
+.PP
+\-o NAME=value
+.PP
+eg. \-o runtapes=2
+.PP
+eg. \-o DUMPTYPE:no\-compress:compress="server fast"
+.PP
+eg. \-o TAPETYPE:HP\-DAT:length=2000m
+.PP
+eg. \-o INTERFACE:local:use="2000 kbps"