Short for ‘Operating System’. Often the Android ROM will be refered to as the OS. This simply means the system files that make up the user experience. Without ‘Root’ or modifications these files are usually unchangeable.
Stands for ‘Read Only Memory’. In the context of Android this refers to the files that make up the Operating System installed on your device. By using fastboot or a Custome Recovery a custom ROM can be installed.
‘Rooting’ your device gives you superuser access allowing you to view and modify parts of the OS usually hidden by manufacturers. This allows you to run more powerful software and edit the system directories that make up the ROM.
Stand for ‘Android Debug Bridge’. ADB is mainly used for development, however it also has some uses when hacking your Android device. For example it can be used to push files to your devices system folder. ADB can also be used while your device is in Recovery Mode.
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