How to make an undeletable, hidden file, which persists after formatting an SD card?
My SD card was stolen some weeks ago. I can’t know which SD card is mine, because the thief formatted it. As such, I bought a new one.
In order to prevent such situations in the future, I thought of creating a hidden, undeletable file, wh… Continue reading How to make an undeletable, hidden file, which persists after formatting an SD card?