To be able to list the existing hardware on a system, for example the BIOS vendor, the processor,.., we can use a very useful tool called dmidecode.

The "-t / --type" option:

To see the types of hardware we can check with dmicode, we use the below:

From the list, we could pick one of the valid keyword to get more information, for example to get information about the memory in our system, we use: 

The "-s / --string" option:

We can also use the "-s" option. To see all the keywords we could use with the "-s" option we use:

Now, we can try the below command with the "bios-version" string keyword for example:

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