If you have entered several commands, then press up once you will get the last entry from the history.
If you send that command and press up again you don't get the last command again, you get the command you have entered before. If you press down you get the command you would have expected.
If you have entered several commands, then press up once you will get the last entry from the history. If you send that command and press up again you don't get the last command again, you get the command you have entered before. If you press down you get the command you would have expected.