You can extract or decompress the tar.bz2, .bz2, .gz command on Linux/Unix.
How to Extract : .gz :
How to Extract : bz2:
-d --decompress : Force decompress
-k --keep : keep original file.
How to Extract : tar.bz2 :
x - extract
v - verbose output (shows lists all files as they are extracted)
j - deal with bzipped file