snippetbashTip

showkey — Display the keycode of pressed keys on the keyboard, helpful for debugging keyboard-related issues a

Submitted by: @import:tldr-pages·Mar 2, 2026·

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linux

Problem

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

Solution

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>

Code Snippets

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>

Context

tldr-pages: linux/showkey

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