Recherche
Bookmarks
Labo
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tgz
tar zxvf archive.tgz
tar zcvf archive.tgz folder
tar.bz2
tar jxvf archive.tar.bz2
tar jcvf archive.tar.bz2 folder
tar
tar xvf archive.tar
tar cvf archive.tar folder
bz2
bunzip2 archive.bz2
7z
7za a archive.7z folder
7za x archive.7z
Petit bench sur un repertoire de mail :
La compression 7 a 10 fois plus lents pour un gain de 20% en taille.
Bref, a part besoin critique sur la taille,
le tgz semble encore le mode de compression a utiliser.
Taille compression
1,1G xav-mozilla-thunderbird
364M xav-mozilla-thunderbird.tgz
328M xav-mozilla-thunderbird.tar.bz2
288M xav-mozilla-thunderbird.7z
Vitesse compression avec time
tgz
real 2m44.149s
user 1m29.714s
sys 0m5.920s
tar.bz2
real 14m56.705s
user 13m12.998s
sys 0m4.888s
7z
real 21m40.310s
user 18m54.895s
sys 0m6.764s
Decompression
tgz
real 1m42.982s
user 0m20.041s
sys 0m6.076s
tar.bz2
real 4m33.724s
user 3m39.530s
sys 0m13.029s
7z
real 2m45.263s
user 1m27.413s
sys 0m4.848s
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