Correct derivation of Eighth Edition Research UNIX. According to dmr, it was derived from 4.1cBSD; according to the 4.4BSD book, it was derived from 4.1BSD. Since dmr did the work, he's more likely to be correct. Correct typos. Remove dead URLs.
Correct derivation of Eighth Edition Research UNIX. According to dmr, it was derived from 4.1cBSD; according to the 4.4BSD book, it was derived from 4.1BSD. Since dmr did the work, he's more likely to be correct. Correct typos. Remove dead URLs.