The dmidecode command is a DMI table decoder and makes the available information human readable. The related specification SMBIOS defines the available DMI types.
In particular, it’s crucial when we want to access specific information like the BIOS version without going through the extensive output of the dmidecode command.
The 'dmidecode' command is particularly useful when you need to retrieve your system's hardware information without accessing the physical components. It can display the current hardware configuration and the maximum capabilities of the system