On 17/06/2013 17:54, Rick "Zero_Chaos" Farina wrote:
> I make all my files with "tar cJf"
> 
> zero@ozzie ~ % file /usr/portage/distfiles/gr-osmosdr-0.0.2.tar.xz
> /usr/portage/distfiles/gr-osmosdr-0.0.2.tar.xz: XZ compressed data

cJ with _current_ tar will generate XZ
cJ with _past_ tar could generate lzma
xJ with _current_ tar will extract both XZ and lzma
zJ with _past_ tar will only extract lzma


-- 
Diego Elio Pettenò — Flameeyes
flameeyes@flameeyes.eu — http://blog.flameeyes.eu/