CentOS Linux Server Guide

File compress using bzip command in CentOS Linux

Bzip2

Bzip2, another compression command beside gzip
File compressed under bzip, will have .bz2 extension.

Command name

bzip2

Synopsis

bzip2 filename

Option

-v show compression rate

-k keep the original file after compression, do not delete

Note

Upon bzip usefully complete file compression, the original document/file will be removed. Thus, it is always recommend to use option -k

Example

-rw-rw-r-- 1 root utmp 14976 Apr 17 19:22 wtmp
-rw-rw-r-- 1 root utmp 26880 Mar 8 19:42 wtmp.1
bzip2 -k file1

ls -l

-rw-rw-r-- 1 root utmp 14976 Apr 17 19:22 wtmp
-rw-rw-r-- 1 root utmp 26880 Mar 8 19:42 wtmp.1
-rw-rw-r-- 1 root utmp 631 Apr 17 19:22 wtmp.bz2

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