For Your Information(FYI) A subseries of RFCs that are not technical standards or descriptions of protocols. FYIs convey general information about topics related to TCP/IP or the Internet. See also STD.
Last updated: 1994-10-26
forwards compatible ♦ FORWISS ♦ For Your Information ♦ FOSI ♦ FOSIL
Try this search on Wikipedia, Wiktionary, Google, OneLook.