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by Tepix 2136 days ago
This reminds me of a prank i played on a classmate in high school. I snuck a "ver.com" command onto his boot floppy (the real "ver" was a builtin DOS command) that installed a TSR (remember those?).

We had a very simple custom serial bus network back then. It was sufficient to allow me to send a command to his PC to show a fake game screen when the teacher was looking at his PC. A fun exercise in x86 assembly (fun for me at least)!