FTP is most commonly used to download a file from a server using the Internet or to upload a file to a server (e.g., uploading a Web page file to a server).

Downloadable FTP, Archie, and finger utilities 
Provides links to downloadable FTP, Archie, and Finger utilities.

Guide to FTP
Provides a comprehensive guide to FTP including sections on software elements, command choices and formats, control connection commands, typical messages, and utilities.

IETF FTP Extensions Working Group Charter
Describes the IETF FTP extensions working group and includes contact and mailing list information and links to Internet draft documents.

WU-FTPD Resource Center
Contains information specific to WU-FTPD, as well as general information about FTP and anonymous FTP servers.

Yahoo!'s FTP page
Yahoo!'s directory of FTP.

RFC 1123
One of the most important RFCs, covering requirements for Internet client software, including Telnet, FTP, SMTP, and DNS.

RFC 959
Request for Comments document for the File Transfer Protocol (FTP).

Transferring Files Using FTP
This document explains how to transfer files between computers connected via the File Transfer Protocol (FTP) command. Included are links to FTP commands, possible error messages, tips, and information on using command line FTP in a Telnet client.