What Does File Transfer Protocol (FTP) Mean?

File Transfer Protocol (FTP) is a client/server protocol used for transferring files to or from a host computer. FTP may be authenticated with user names and passwords.

Techopedia Explains File Transfer Protocol (FTP)

The original FTP specification was written by Abhay Bhushan and published as RFC 114 on April 16, 1971. This was later replaced by RFC 765 (June 1980).