Usage of Tar

Create Tar files :
tar -cvf filename.tar foldername
How to extract files with tar :
Such as gz, tgz or z :
file name : httpd-2.2.13.tar.gz
use : tar -zxvf httpd-2.2.13.tar.gz
For Normal one
File Name :httpd-2.2.13.tar
use :tar -xvf httpd-2.2.13.tar