Possible Duplicate:
How to find out details about hardware on the Linux machine?
How can I get processor/RAM/disk specs from the Linux command Line?
Possible Duplicate:
How to find out details about hardware on the Linux machine?
How can I get processor/RAM/disk specs from the Linux command Line?
CPU
$ cat /proc/cpuinfo
Memory :
$ free
$ cat /proc/meminfo
HDD:
$ df -h
$ sudo fdisk -l
$ hdparm -i /dev/device
(for example sda1, hda3...)
lshw command is also really useful to get a lot of information about all the hardware !