16 read rfc 959 for ftp list all of the clients commands that are supported by the rfc?

FTP Client CommandsABOR Terminates previous command. ACCT Specifies account (ignored). ALLO Allocates storage (vacuously). APPE Appends to a file. CDUP Changes to the parent directory of the current working directory. CWD Changes working directory. DELE Deletes a file. HELP Gives help information. LIST Gives list files in a directory (this FTP request is the same as the ls -lgA command). MKD Makes a directory. MDTM Shows last modification time of file. MODE Specifies data transfer mode. NLST Gives a name list of files in directory (this FTP request is the same as the ls command). NOOP Does nothing. PASS Specifies a passWord. PASV Prepares for server-to-server transfers. PORT Specifies a data connection port. PWD Prints the current working directory. QUIT Terminates session. RETR Retrieves a file. RMD Removes a directory. RNFR Specifies rename-from file name. RNTO Specifies rename-to file name. SITE The following nonstandard or UNIX-specific commands are sup- ported by the SITE request: UMASK Changes umask (SITE UMASK 002). IDLE Sets idler time (SITE IDLE 60). CHMOD Changes mode of a file (SITE CHMOD 755 FileName). HELP Gives help information (SITE HELP). SIZE Returns size of current file. STAT Returns the status of the server. STOR Stores a file. STOU Stores a file using a unique file name. STRU Specifies the structure of data transfer as a file struc- ture. SYST Shows operating system type of server system. TYPE Specifies data transfer type with the Type parameter. USER Specifies user name. XCUP Changes the parent directory of the current working directo- ry (not normally used). XCWD Changes current directory (not normally used). XMKD Creates a directory (not normally used). XPWD Prints the current working directory (not normally used). XRMD Removes a directory (not normally used).