How to get Linux Hardware/System Information?

We can get Linux Hardware information like Serial Number without launching BIOS, via Linux OS. The command "dmidecode" enables this action. Here is an output example.

root@MyMachine:~# dmidecode
# dmidecode 2.11
SMBIOS 2.7 present.
56 structures occupying 2441 bytes.
Table at 0xDEC6D018.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
...