Multiple choice technology operating systems what is the command to view the last 20 command issued? View history -20 Prev 20 Last 20 None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation The 'history' command in Unix/Linux shells displays previously executed commands. Using 'history -20' shows the last 20 commands from the history. Options A (View), C (Prev 20), and D (Last 20) are not valid command syntax.