Finger

old Internet Presence Detection protocol

http://www.faqs.org/rfcs/rfc742.html

http://www.faqs.org/rfcs/rfc1288.html A user information file is a feature wherein a user may leave a short message that will be included in the response to Finger requests. (This is sometimes called a "plan" file.) (Plan File)

imail-use-guide page

http://www.cs.indiana.edu:800/finger