Find the Hardware Spec For Linux

http://www.secguru.com/article/finding_hardware_details_your_linux_machine_without_using_screw_driver

1: Finding Hardware Details with lspci
lspci -v

2: Finding Hardware Details with dmesg
dmesg | grep -i memory

3: Finding Hardware Details from /proc
cat /proc/cpuinfo

4: Getting More Information about your HDD using fdisk
fdisk -l