In this final third deliverable, the following were made: 1. The functionality of the following commands was implemented: MKD, SIZE, MDTM, OPTS, FEAT, DELE, RMD, RNFR, RNTO. 2. The FtpCommand interface and FtpCommandRegistry class were created to make the code for command handler functions cleaner. 3. Unit tests for FtpCommandRegistry were added. 4. The video demonstration was added. 5. The README file was filled.