Extract tar tar.gz tar.bz2 files linux command

get asked this all the time, so here are the most common extract commands.

Extract the contents of "filename.tar" 

Command: tar -xvf filename.tar 

Extract the contents of "filename.tar.gz" 

Command: tar -zxvf filename.tar.gz 

Extract the contents of "filename.tar.bz2" 

Command: tar -jxvf filename.tar.bz2