Read RFC 959 for FTP. List all of the client commands that are supported by the RFC.
The client commands that are supported by the RFC as follows:
Access control commands: USER, PASS, ACT, CWD, CDUP, SMNT, REIN, QUIT.
Service commands: RETR, STOR, STOU, APPE, ALLO, REST, RNFR, RNTO, ABOR, DELE, RMD, MRD, PWD, LIST, NLST, SITE, SYST, STAT, HELP, NOOP.
Transfer parameter commands: PORT, PASV, TYPE STRU, MODE.