Small addition: the UrhG mentioned is the Urheberrechtsgesetz. Translated to English you would call it the "Law of rights of the originator". It is not just about "the right to make copies".
Hello everybody out there using minix - I'm doing a (free) operating system (just a hobby, won't be big and professional like gnu) for 386(486) AT clones. This has been brewing since april, and is starting to get ready.
Written by Linus Torvalds on Sunday, 25 August, 1991 in comp.os.minix