RE: BZ2 & GZ

From: Peter Marko (marko@limba.sk)
Date: 15. 07. 2002, 08:58 CEST

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>    Ahoj,
>
>    jaky je rozdil mezi neco.tar.bz2 a neco.tar.gz? Na strankach
> jsou k downloadu vetsinou oba tyto soubory, ale ten *.gz je
> vzdy o nejakych 30% vetsi.
>

bz2 - kompresia pomocou bzip2
gz - kompresia pomocou gzip

bzip2 pouziva iny sposob kompresie, ktory je povazovany za lepsi
bzip2 - Huffmanove kodovanie spojene s nejakym blokovym algoritmom
(nepamatam si uz akym)
gzip - Ziv-Lempelove kodovanie

peter

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