Linux basic command-bunzip2
Bunzip2
Extract the files compressed by bzip2.
The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.
1. Grammar
Bunzip2 [- fkvsVL] file
2. List of options
Option
Description
-f |-- force
Enforcement
-k |-- keep
Keep the source file after decompression
-v |-- verbose
Show details
-s |-- small
Reduce memory usage for compression, decompression, and testing. The file is decompressed and tested using a modified algorithm, which requires only 2.5 bytes per block byte. This means that any file can be unzipped in 2300 k of memory, albeit at half the normal speed.
-L |-- license |-V |-- version
Displays the software version, license terms and conditions.
3. Examples
1) decompress and retain the compressed package
[root@localhost weijie] # bunzip2-k 2.c.bz2 / / keep the compressed package after decompression
[root@localhost weijie] # ls
11.c 1.c.gz 1.gz 2.c 2.c.bz2 3.c 4.c 5.c 6.c ~ rec000012.c.bz2 res.zip
2) decompression
[root@localhost weijie] # bzip2-d res.bz2 / / decompress
[root@localhost weijie] # ls
11.c 1.c.bz2 2.c 3.c 4.c 5.c 6.c ~ bak res
3) compress two files into one file
[root@localhost weijie] # cat 1.c 2.c / / output the contents of two files
Hello world
I am david.
I love linux
Love code.
one hundred and twenty three
twenty-three
two hundred and twelve
[root@localhost weijie] # bzip2-c 1.c > foo.gz / / compress 1.c to foo
[root@localhost weijie] # bzip2-c 2.c > > foo.gz / / compress 2.c to foo
[root@localhost weijie] # b gzip2-d foo.gz / / extract foo
[root@localhost weijie] # cat foo / / display the contents of foo
Hello world
I am david.
I love linux
Love code.
one hundred and twenty three
twenty-three
two hundred and twelve
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