Usage: cancel [options] [id]
       cancel [options] [destination]
       cancel [options] [destination-id]
Options:
-a                      Cancel all jobs
-E                      Encrypt the connection to the server
-h server[:port]        Connect to the named server and port
-u owner                Specify the owner to use for jobs
-U username             Specify the username to use for authentication
-x                      Purge jobs rather than just canceling