systemd-bsod
(8)Displays boot-time emergency log message in full screen
systemd-bsod.service /usr/lib/systemd/systemd-bsod [OPTIONS...]
Options
4-h--helpPrint a short help text and exit.
--versionPrint a short version string and exit.
-c--continuousWhen specified, systemd-bsod waits continuously for changes in the journal if it does not find any emergency messages on the initial attempt. Added in version 255.
--ttySpecify the TTY to output to. By default, systemd-bsod will automatically find a free VT to display the message on. If this option is specified a TTY may be selected explicitly. Use --tty=/dev/tty to direct output to the terminal the command is invoked on. Added in version 256.