hardware specs on linux

gistfile1.txt

#!/bin/bash 

startline() {
   echo ""
   echo ""
   echo "---------- $1 -------------------------"
   echo ""
}

startline "CPU"
cat /proc/cpuinfo | grep 'model name'

startline "PERIFERIHCE"
lspci

startline "HARD DISK"
sudo fdisk -l | grep GB

startline "CD/DVD" 
wodim -devices

startline "MEMORIA" 
free -m