tldr/pages/linux/showkey.md

# showkey

> Display the keycode of pressed keys on the keyboard, helpful for debugging keyboard-related issues and key remapping.
> More information: <https://manned.org/showkey>.

- View keycodes in decimal:

`sudo showkey`

- Display scancodes in hexadecimal:

`sudo showkey {{-s|--scancodes}}`

- Display keycodes in decimal (default):

`sudo showkey {{-k|--keycodes}}`

- Display keycodes in ASCII, decimal, and hexadecimal:

`sudo showkey {{-a|--ascii}}`

- Exit the program:

`Ctrl + d`