How do you know about computer in Linux?

Answer 1

I suppose that depends on what you want to know.

For information on the processor, issue this command:

cat /proc/cpuinfo

For information on the amount of memory installed, issue this command:

cat /proc/meminfo

For a list of PCI devices, issue this command (for extra information, you will need root privleges):

lspci

For information on the motherboard model, manufacturer, and CPU socket, as well as other information, issue this command (you will need root privleges):

dmidecode