Linux has a secure attention key, but it only works in the standard console mode, not X or Wayland. https://www.kernel.org/doc/html/latest/security/sak.html htt

Linux has a secure attention key, but it only works in the standard console mode, not X or Wayland. https://www.kernel.org/doc/html/latest/security/sak.html https://www.kernel.org/doc/html/latest/security/sak.html