dmidecode is a tool for dumping a computer's DMI (some say SMBIOS) ta‐
ble contents in a human-readable format. This table contains a descrip‐
tion of the system's hardware components, as well as other useful
pieces of information such as serial numbers and BIOS revision. Thanks
to this table, you can retrieve this information without having to
probe for the actual hardware. While this is a good point in terms of
report speed and safeness, this also makes the presented information
possibly unreliable…
Source: man dmidecode
dmidecode
Display the DMI (alternatively known as SMBIOS) table contents in a human-readable format.
Requires root privileges.
Show all DMI table contents:
sudo dmidecode
Show the BIOS version:
sudo dmidecode -s bios-version
Show the system's serial number:
sudo dmidecode -s system-serial-number
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
Raising Elephants Is So Utterly Boring
Reboot Even If System Utterly Broken
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