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1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   File Transfer Protocol
   FTP
      (FTP) A client-server protocol which allows a user on one
      computer to transfer files to and from another computer over a
      TCP/IP network.  Also the client program the user executes
      to transfer files.  It is defined in STD 9, RFC 959.
      See also anonymous FTP, FSP, TFTP.
      Unix manual page: ftp(1).
      (1994-12-01)