1. INTRODUCTION

   The objectives of FTP are 1) to promote sharing of files (computer
   programs and/or data), 2) to encourage indirect or implicit (via
   programs) use of remote computers, 3) to shield a user from
   variations in file storage systems among hosts, and 4) to transfer
   data reliably and efficiently.  FTP, though usable directly by a user
   at a terminal, is designed mainly for use by programs.

   The attempt in this specification is to satisfy the diverse needs of
   users of maxi-hosts, mini-hosts, personal workstations, and TACs,
   with a simple, and easily implemented protocol design.

   This paper assumes knowledge of the Transmission Control Protocol
   (TCP) [2] and the Telnet Protocol [3].  These documents are contained
   in the ARPA-Internet protocol handbook [1].

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