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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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