Display the DMI (alternatively known as SMBIOS) table contents in a human-readable format. Requires root privileges. More information: https://manned.org/dmidecode.
sudo dmidecode
sudo dmidecode {{[-s|--string]}} bios-version
sudo dmidecode {{[-s|--string]}} system-serial-number
sudo dmidecode {{[-t|--type]}} bios
sudo dmidecode {{[-t|--type]}} processor
sudo dmidecode {{[-t|--type]}} memory