most third party @command{tar} implementation will fail to extract
it. To extract it, use @command{tarcat} program (@pxref{Tarcat}).
This program is available from
-@uref{http://www.gnu.org/@/software/@/tar/@/utils/@/tarcat, @GNUTAR{}
+@uref{http://www.gnu.org/@/software/@/tar/@/utils/@/tarcat.html, @GNUTAR{}
home page}. It concatenates several archive volumes into a single
valid archive. For example, if you have three volumes named from
@file{vol-1.tar} to @file{vol-2.tar}, you can do the following to
To expand a file, you will need a simple auxiliary program called
@command{xsparse}. It is available in source form from
-@uref{http://www.gnu.org/@/software/@/tar/@/utils/@/xsparse, @GNUTAR{}
+@uref{http://www.gnu.org/@/software/@/tar/@/utils/@/xsparse.html, @GNUTAR{}
home page}.
Let's begin with archive members in @dfn{sparse format