Which of the following commands clears the screen when using the command line?

A.
CLS

B.
REM

C.
CD

D.
DIR

Explanation:
CLS is the command-line utility used to clear the command prompt window.
Incorrect Answers:
B: REM is used in AUTOEXEC.BAT to mark lines that are not to be executed.
C: CD is used at the command prompt to change the directory.
D: DIR is used at the command prompt to list the files and folders in a directory.