unzip tae.gz code example
Example 1: how to untar tar.gz
tar xvzf file.tar.gz
Example 2: unrachive .tar.gz
tar -xvzf community_images.tar.gz
Also, to extract in a specific directory
for eg. to extract the archive into a custom my_images directory .
tar -xvzf community_images.tar.gz -C my_images