Magic SysRQ
this is in german.
Source: https://wiki.ubuntuusers.de/Magic_SysRQ/
Here you can find the english explanation from good ol wikipedia
Source: https://en.wikipedia.org/wiki/Magic_SysRq_key
Depending on your hardware this can vary cause somne hardware vendors do their own thang :)
Hold Alt and Print keep them holdede. Then while still holding Alt and Print press one after another R + E + I + S + U + B here you can find two mnemonis
R
aising E
lephants I
s S
o U
tterly B
oring
R
eboot E
ven I
f S
ystem U
tterly B
roken
Not all Magic keys are enabled by default, check out this article for further reading in English
Alt
+ Print
+ O
shuts your PC/Laptop down.
Alt
+ Print
+ K
can be used as a substitute for donotzap i.e., CTRL
+ALT
+Backspace
https://linuxconfig.org/how-to-enable-all-sysrq-functions-on-linux