hardware info in linux code example

Example 1: linux command to show memory hardware

$ cat /proc/partitions
major minor  #blocks  name
   8        0  488386584 sda
   8        1   73400953 sda1
   8        2          1 sda2
   8        5  102406311 sda5
   8        6  102406311 sda6
   8        7    1998848 sda7
   8        8  208171008 sda8
  11        0    1048575 sr0

Example 2: linux command to show memory hardware

#  free - Check RAM
$ free -m
             total       used       free     shared    buffers     cached
Mem:          7975       5865       2110          0         24        622
-/+ buffers/cache:       5218       2757
Swap:         1951        921       1030