Try break my OS!

[rexi]

Hello, I have a little challenge for you.
Download my TinyCore distro from this link http://gogleos.xf.cz/ (the website doesn't look very good, I wrote it in MS word) and install it (maybe on a flash drive or something, especially don't delete your main OS) and try to crack/find it in error. I will explain.
I consider it a bug when it is possible to somehow modify the contents of the boot disk and run software that is not in the distribution. ALSO, there are some rules here. Don't use another OS to modify, just assume it's installed on a PC that has a locked BIOS and won't boot from a flash drive.
If you find anything, please post it so I can fix it.