Question

d. z-windows
20. Linux uses
a. windows
21. The shortcut key
a. ctrl + Alt + S
system for graphics.
b. X-windows c. y-windows
is used to lock the computer.
b. Ctrl + Alt + D
c. Windows
d. Ctrl + Alt + L​

Answer 1

Answer:

Explanation:

All are key buttons.Try it on bowser