Gt-p5100-twrp-3.0.0-0.tar.md5

: Users can create a byte-for-byte snapshot of their entire operating system, app data, and settings. If a modification goes wrong, the tablet can be perfectly restored.

To understand what you are installing, it helps to dissect the file name: gt-p5100-twrp-3.0.0-0.tar.md5