Note : Compressed File Extract
1. .tar , .tar.gz
tar xvfz file.tar.gz
2. .gz
gunzip file.gz
3. .zip
unzip file.zip
4. rar
unrar file.rar
hope it help!.
Addendum I :
1. apt-get install gunzip
2. apt-get install unrar
3. apt-get install unzip
4. tar comes with ubuntu distro by default.
Addendum II :
ZIP
Zip is probably the most commonly used archiving format out there today. Its biggest advantage is the fact that it is available [...]