How to compress decompress file using bzip2
File size before compressed
0 -rw------- 1 root root 0 Aug 16 03:12 maillog-20200823
512K -rw------- 1 root root 287K Aug 26 11:10 messages
211M -rw------- 1 root root 211M Aug 2 03:28 messages-20200802
225M -rw------- 1 root root 225M Aug 9 03:46 messages-20200809
200M -rw------- 1 root root 200M Aug 16 03:12 messages-20200816
164M -rw------- 1 root root 164M Aug 23 03:10 messages-20200823
3.8M -rw------- 1 root root 3.8M Aug 26 10:58 messages-20200826.bz2
0 drwxr-xr-x. 2 root root 132 Jul 13 16:47 ntopng
Command to compress file using bzip2
[root@loadbalancer12 log]# bzip2 -z messages-20200802
[root@loadbalancer12 log]#
The result of file after compressed
0 -rw------- 1 root root 0 Aug 16 03:12 maillog-20200823
512K -rw------- 1 root root 377K Aug 26 11:13 messages
10M -rw------- 1 root root 10M Aug 2 03:28 messages-20200802.bz2
225M -rw------- 1 root root 225M Aug 9 03:46 messages-20200809
200M -rw------- 1 root root 200M Aug 16 03:12 messages-20200816
164M -rw------- 1 root root 164M Aug 23 03:10 messages-20200823
3.8M -rw------- 1 root root 3.8M Aug 26 10:58 messages-20200826.bz2
0 drwxr-xr-x. 2 root root 132 Jul 13 16:47 ntopng
Some files size after compression using bzip2
0 -rw------- 1 root root 0 Aug 16 03:12 maillog-20200823
512K -rw------- 1 root root 455K Aug 26 11:16 messages
10M -rw------- 1 root root 10M Aug 2 03:28 messages-20200802.bz2
9.7M -rw------- 1 root root 9.7M Aug 9 03:46 messages-20200809.bz2
9.0M -rw------- 1 root root 9.0M Aug 16 03:12 messages-20200816.bz2
7.5M -rw------- 1 root root 7.5M Aug 23 03:10 messages-20200823.bz2
3.8M -rw------- 1 root root 3.8M Aug 26 10:58 messages-20200826.bz2
0 drwxr-xr-x. 2 root root 132 Jul 13 16:47 ntopng
Command to decompress file that compressed using bzip2
[root@loadbalancer12 log]# bzip2 -d messages-20200802.bz2
[root@loadbalancer12 log]#
File result after decompression
0 -rw------- 1 root root 0 Aug 16 03:12 maillog-20200823
512K -rw------- 1 root root 458K Aug 26 11:16 messages
211M -rw------- 1 root root 211M Aug 2 03:28 messages-20200802
9.7M -rw------- 1 root root 9.7M Aug 9 03:46 messages-20200809.bz2
9.0M -rw------- 1 root root 9.0M Aug 16 03:12 messages-20200816.bz2
7.5M -rw------- 1 root root 7.5M Aug 23 03:10 messages-20200823.bz2
3.8M -rw------- 1 root root 3.8M Aug 26 10:58 messages-20200826.bz2
0 drwxr-xr-x. 2 root root 132 Jul 13 16:47 ntopng
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