unpress tar.gz code example
Example 1: untar gz file ubuntu
#Untar to the specific dirctory -C qualifier for customized directory
#You must cd into the directory containg the file first
tar -xf archive.tar.gz -C /home/linuxize/files
#Untar specific files from archive.tar.gz
tar -xf archive.tar.gz file1 file2
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