tldr/pages/linux/showkey.md

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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