How to Tar / Untar a Folder in Debian Linux ?

To tar a folder,

tar -czvf  Output_File_Name.tar.gz Directory_Name


Example, 


If you want to tar a directory called demo ,
tar -zcvf demo.tar.gz demo


which will create a tar file named "demo.tar.gz"

To Untar a Folder,

tar -xzvf  Input_File_Name.tar.gz