Tar/lbzip2
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8.1.1.1 Using lbzip2 with GNU tar
.
Lbzip2
is a multithreaded utility for handling
`bzip2'
compression, written by Laszlo Ersek. It makes use of
multiple processors to speed up its operation and in general works
considerably faster than bzip2
. For a detailed description
of lbzip2
see http://freshmeat.net/projects/lbzip2 and
lbzip2: parallel bzip2 utility.
Recent versions of lbzip2
are mostly command line compatible
with bzip2
, which makes it possible to automatically invoke
it via the `--bzip2'
GNU tar
command line option. To do so,
GNU tar
must be configured with the `--with-bzip2'
command
line option, like this:
$ ./configure --with-bzip2=lbzip2 [other-options] |
Once configured and compiled this way, tar --help
will show the
following:
$ tar --help | grep -- --bzip2 -j, --bzip2 filter the archive through lbzip2 |
which means that running tar --bzip2
will invoke lbzip2
.
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