Cat

There is a .ab file inside of it, which is a is a backup file created by Android Debug Bridge (ADB), which is part of the Android SDK tools.

First I’ll use Android Backup Extractor jar to convert the .ab into a .tar file with the following command:

java -jar abe-62310d4.jar unpack cat.ab cat.tar

Then I’ll extract it:

tar -xvf cat.tar