The SysRq key is not so useless as the article would let you believe. Under Linux, it allows one to send commands to kernel to e.g. reboot the system [1]. [1]:

The SysRq key is not so useless as the article would let you believe. Under Linux, it allows one to send commands to kernel to e.g. reboot the system [1]. [1]: https://en.wikipedia.org/wiki/Magic_SysRq_key https://en.wikipedia.org/wiki/Magic_SysRq_key