From Linuxintro

dmidecode is a command for displaying BIOS hardware information.

When working remotely with several computers, you sometimes want to verify that you are on the right iron. For that, the program dmidecode exists - just start it by typing dmidecode. You get all information about the computer that the vendor put into the BIOS. There are different paragraphs ("handles"), for example like that:

    Handle 0x0100
          DMI type 1, 25 bytes.
          System Information
                 Manufacturer: Dell Computer Corporation
                 Product Name: Dimension 4600i
                 Version: Not Specified
                 Serial Number: 664S31J
                 UUID: 44454C4C-3600-1034-8053-B6C04F33314A
                 Wake-up Type: APM Timer

See also