Multiple choice technology operating systems

what is the command to view the last 20 command issued?

  1. View

  2. history -20

  3. Prev 20

  4. Last 20

  5. 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.