FTP Commands, Replies, Errors, and Codes
Standard FTP Commands
FTP commands are described in the FTP man pages. Access them by typing man ftp at the command line prompt. Type help at the FTP prompt to see a list of available commands. Information about standard FTP commands and other FTP issues is easily found online using your favorite Web search engine.
Common FTP Replies and Errors
When you enter an FTP command, you receive a corresponding reply indicating that the command was accepted, rejected, or is being processed. An FTP reply consists of a three-digit code followed by a brief description of the result (as seen in the Sample FTP Session above). Information about common FTP replies and errors is easily found online using your preferred Web search engine.
FTP Reply Codes
FTP reply codes and their meanings are easily found online using your preferred Web search engine. The exact text accompanying each reply code depends on the command issued.