kbdinfo

Read information about keyboard state

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Show current virtual console mode (text or graphics)

kbdinfo getmode

Check if the current VT is in graphics mode (exit status)

kbdinfo getmode graphics
echo $?

Print a human-readable result for VT mode

if kbdinfo getmode graphics; then
  echo "graphics"
else
  echo "text"
fi

Get current keyboard mode (may fail in graphics sessions)

kbdinfo gkbmode
echo $?

Read logical lock-key states (CapsLock, NumLock, ScrollLock)

kbdinfo gkbled

Check CapsLock state via exit code

kbdinfo gkbled capslock
echo $?

Query keyboard mode on a specific virtual console

kbdinfo --console /dev/tty1 gkbmode

Query keyboard mode on a specific virtual console

kbdinfo --console /dev/tty1 gkbmode