F specifies a standard formatted directory listing. An error reply should be a '-' followed by the error message from the remote systems directory command. Following the directory path is a single line for each file in the directory. Each line is just the file name followed by . The listing is terminated with a after the last .
V specifies a verbose directory listing.
An error returns '-' as above. The line returned for each file can be of any format. Possible information to return would be the file name, size, protection, last write date, and name of last writer. This will change the current working directory on the remote host to the argument passed. This will delete the file from the remote system.