Is it some kind of historical elective course

No, there was a poster showing correspondence with Latin on the wall, somewhere. The symbols are almost 1-1 with modern orthography, so it takes only about a week of practice. And I was really bored.

never seen Glagolic in the wild

It’s about as distant from modern use as runes are for germanic speakers, but maybe with different connotations. Decorative nonsense.

But I did submit essays written with that when I wanted to fail with style. :)

I also met a guy in college who used it to keep notes. That guy was also bored.

It was widespread in Croatia until the late middle ages, about XIV-XV century.

Noone knows how to read it, apart from some linguists and overzealous Witcher fans.

I could fluently read and write it in high school. Was bored.

It doesn’t. See: master tapes and the mastering process.

Sorry, the maining process.

Yall understand that what actually changed is a symlink? That systemd-run is now linked from run0, and that’s enough to make a SUID-less sudo?