Extracting a zipped file and zipping it back
Another way to reduce your overall file size footprint is by using techniques for archiving and compressing one or many files into a single, relatively small file. There are several ways to do this, which we will explore in this recipe.
Getting ready
Stay in the terminal, return to being the pi user, and go to your /home/pi/share/ch3 directory. If you followed the recipe on using wget, you should have a Star Trek ZIP file in there named sstsrc.zip. You can find it using the ls command. If you didn't download it before, first make sure you have zip installed, and then grab your zip file using the commands below:
sudo apt-get install zip cd /home/pi/share/ch3/ wget http://www.almy.us/files/sstsrc.zip ...
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