CLS (Clear Screen Command)

From GRC | Security Now! Transcript #49:

Steve: For people who haven't used this command window a lot before, you want to know how to clear it in order to � from time to time, like before you issue a command, you might want to just get rid of all of the history that has scrolled by. The command for that is CLS. That's the clear screen command. So CLS, and then press Enter, will wipe that window clean and get ready for your next command.