... and when you could invite random strangers from the Internet (well, the Arpanet) to play around on your system: This memo is aimed at users unfamiliar not

... and when you could invite random strangers from the Internet (well, the Arpanet) to play around on your system: This memo is aimed at users unfamiliar not only with the Emacs editor, but also with the ITS operating system. ... Emacs runs on the ITS machines, AI, ML, MC, and DM. For people coming from an Arpanet TIP, the host numbers are: 134 (AI), 198 (ML), 236 (MC), and 70 (DM). If you don't have a regular username there, ... (use) the WHOIS program: :WHOIS XYZ. If WHOIS didn't find any regular user XYZ, you can use that name. :LOGIN XYZ. You are now talking to DDT, the top-level, monitor program ... From https://web.archive.org/web/20110723033542/http%3A//www.burlingtontelecom.net/~ashawley/gnu/emacs/doc/emacs-1978.html https://web.archive.org/web/20110723033542/http%3A//www.burl... An Introduction to the Emacs Editor by Eugene Ciccarelli, AI Memo No. 447, January 1978, Artificial Intelligence Laboratory, MIT