Xev Keycodes 〈Best — 2025〉

The keycode is a numerical value that represents the specific key that was pressed. This value is used by the system to determine which action to take, such as inserting a character into a text document or triggering a keyboard shortcut.

KeyPress event, serial 36, synthetic NO, window 0x1000001, root 0x1, subw 0x0, time 1234567, (x,y) (10,20), root:(30,40), state 0x0, keycode 38 (keysym 0x61, a), same_screen YES In this example, the keycode for the “a” key is 38. xev keycodes

Whether you’re a seasoned Linux user or just starting out, understanding xev keycodes can help you take control of your keyboard input and get the most out of your system. The keycode is a numerical value that represents