Multiple choice

Which of the following is not an internal DOS command?

  1. Copy

  2. del

  3. xcopy

  4. None of the above

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

xcopy is an external DOS command (XCOPY.EXE) that must be loaded from disk, while Copy and del are internal commands built into COMMAND.COM. Internal commands are always available and execute faster.