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Linux-- sub-volume compression and decompression
1, first compress a file directory
root @ linuxhost # tar zcvf apk.tar apk /
2, the file segmentation, -d suffix indicates that the file has been sliced digital distinction (eg apk_2015.tar01, apk_2015.tar02), - b specifies the size of the file after the split, followed by the need to split files, last It is located prefix path and name after splitting files
root @ linuxhost # split -d -b 30000m apk.tar ../apk_2015.tar
3, document effect sliced
root @ linuxhost-172-31-6-97: / dump # ll
total 586332520
drwxr-xr-x 4 uusafe uusafe 4096 Oct 25 18:03 ./
drwxr-xr-x 27 root root 4096 Oct 23 13:25 ../
-rw-r - r-- 1 root root 31457280000 Oct 25 14:19 apk_2015.tar00
-rw-r - r-- 1 root root 31457280000 Oct 25 14:30 apk_2015.tar01
-rw-r - r-- 1 root root 31457280000 Oct 25 14:41 apk_2015.tar02
-rw-r - r-- 1 root root 31457280000 Oct 25 14:51 apk_2015.tar03
-rw-r - r-- 1 root root 31457280000 Oct 25 15:02 apk_2015.tar04
-rw-r - r-- 1 root root 31457280000 Oct 25 15:13 apk_2015.tar05
-rw-r - r-- 1 root root 31457280000 Oct 25 15:23 apk_2015.tar06
-rw-r - r-- 1 root root 31457280000 Oct 25 15:34 apk_2015.tar07
-rw-r - r-- 1 root root 31457280000 Oct 25 15:45 apk_2015.tar08
-rw-r - r-- 1 root root 31457280000 Oct 25 15:55 apk_2015.tar09
-rw-r - r-- 1 root root 31457280000 Oct 25 16:06 apk_2015.tar10
-rw-r - r-- 1 root root 14004787200 Oct 25 16:11 apk_2015.tar11
4, the reduction
Back jx parameters:
x: Unzip
j: decompression mode specified zip, this is because when a zip front
root @ linuxhost # cat apk_2015.tar * | tar -jx |
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