1.FTP> DISABLE LOG
      FTP> PUT IBIS.TXT
      200 PORT command successful
      150 Opening data connection for IBIS.TXT. (130.180.4.10,1165)
      226 Transfer complete
      local: USER3:[DIBBLE]IBIS.TXT;3 remote: IBIS.TXT
      4 bytes sent in 00:00:00.02 seconds (0.19 Kbytes/s)

      Turns off the display of commands sent to the remote host.