What is xz ?

Jerry jerry at seibercom.net
Sat Jul 2 12:27:45 UTC 2011

On Sat, 02 Jul 2011 12:26:14 +0100
Chris Whitehouse articulated:

> On 02/07/2011 07:38, Polytropon wrote:
> > On Sat, 02 Jul 2011 11:53:17 +0530, Manish Jain wrote:
> >>
> >>     Hi all,
> >>     I just downloaded FreeBSD-8.2-RELEASE-i386-dvd1.iso.xz and the
> >> md5 checksum is correct. Can someone please tell me what does that
> >> xz at the end stand for ? It looks like it stands for some kind of
> >>     compression (gzip/bzip2/some new format), but I can't figure
> >> out exactly which one.
> >
> > It's xz compression, archivers/xz from ports, which is
> ...but before you install it you may find it is part of the base
> system.
> %pkg_info -Ix xz
> pkg_info: no packages match pattern(s)
> %which xz
> /usr/bin/xz
> I'm on 8.1-R

From: http://www.freebsd.org/releases/8.1R/relnotes-detailed.html

The liblzma library for LZMA2 lossless data compression algorithm and
the userland utilities xz(1), xzdec(1), lzma(1), and lzmainfo(1). has
been imported. When the old system is upgraded to 8.1-RELEASE,
deinstalling a version found in the Ports Collection (archivers/xz) and
recompilation of the packages which depend on it may be required.

Jerry ✌
jerry+fbsd at seibercom.net

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