Multiple choice technology operating systems

Which of the following is not a way to repeat your previous command ?

  1. !-1

  2. <Backspace> l

  3. Ctrl+p

  4. !!

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Among the options, l is not a valid way to repeat the previous command. The others are all valid: !! repeats the last command, !-1 does the same, and Ctrl+p scrolls to previous command in history.