Other keyboard shortcuts require pressing and holding several keys simultaneously (indicated in the tables below by the + sign).
Keyboard shortcuts are a common aspect of most modern operating systems and associated software applications.
Whether used as a matter of personal preference or for adaptive technology, the pervasiveness of common conventions means that a meaningful comparison of keyboard shortcuts can be made across various widely used operating systems.
Whether such commands are implemented (or not) depends on how an actual application program (such as an editor) is written and the frameworks used.
or "ax to cut in register "a" or "+x to cut in system clipboard or "ay or "+y or "ap to paste the content of the "a" register or "+p to paste the content of the system clipboard Alt+⇧ Shift changes between languages while Ctrl+⇧ Shift changes between keyboard layouts of the same language.
The latter two display a menu with the currently selected input method highlighted, and debuted in Windows 8.