[CTRL]+C is achieved by holding CTRL while pressing C.
In Microsoft Word, Ctrl+E allows you to center.
That would vary greatly between applications. Do you mean in your operating system or some other program?
If by that, you mean Call of Duty, the answer is Ctrl.
Court Trial
Ctrl ctrl ctrl ctrl ctrl ctrl ctrl ctrl!
Underline
Ctrl A will highlight the whole page.
The keyboard shortcut notation ctrl plus esc means you press the Control key concurrently with the Escape key. On a Windows PC, the Ctrl + Esc shortcut produces the Start Menu.
If you mean it as a short cut on a PC, then it prints.
Ctrl+Z mean EOF in WinDos, no matter what programming language you are using.
There are many keyboard shortcuts, some of them are ctrl + c, alt + f, alt + e, f1, ctrl + a, ctrl + x, shift + del, Ctrl + Ins, Ctrl + V, Shift + Ins, Home, Ctrl + Home, End, Ctrl + End. There are also Shift + Home, Shift + End, Ctrl + Left arrow, Ctrl + Right arrow, Ctrl + A, Ctrl + B, Ctrl + C, Ctrl + F, Ctrl + Z, Ctrl + U, Ctrl + R, Ctrl + E, Ctrl + L, Ctrl + Y, Ctrl + X and Ctrl + R.