check hardware from linux code example

Example 1: linux command to show memory hardware

$ mount | column -t
/dev/sda6    on  /                                            type  ext4             (rw,errors=remount-ro)
proc         on  /proc                                        type  proc             (rw,noexec,nosuid,nodev)
sysfs        on  /sys                                         type  sysfs            (rw,noexec,nosuid,nodev)
none         on  /sys/fs/cgroup                               type  tmpfs            (rw)
none         on  /sys/fs/fuse/connections                     type  fusectl          (rw)
none         on  /sys/kernel/debug                            type  debugfs          (rw)
none         on  /sys/kernel/security                         type  securityfs       (rw)
udev         on  /dev                                         type  devtmpfs         (rw,mode=0755)
devpts       on  /dev/pts                                     type  devpts           (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs        on  /run                                         type  tmpfs            (rw,noexec,nosuid,size=10%,mode=0755)
none         on  /run/lock                                    type  tmpfs            (rw,noexec,nosuid,nodev,size=5242880)
none         on  /run/shm                                     type  tmpfs            (rw,nosuid,nodev)
none         on  /run/user                                    type  tmpfs            (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
none         on  /sys/fs/pstore                               type  pstore           (rw)
/dev/sda8    on  /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1  type  ext4             (rw,nosuid,nodev,errors=remount-ro)
/dev/sda5    on  /media/4668484A68483B47                      type  fuseblk          (rw,nosuid,nodev,allow_other,blksize=4096)
binfmt_misc  on  /proc/sys/fs/binfmt_misc                     type  binfmt_misc      (rw,noexec,nosuid,nodev)
systemd      on  /sys/fs/cgroup/systemd                       type  cgroup           (rw,noexec,nosuid,nodev,none,name=systemd)
gvfsd-fuse   on  /run/user/1000/gvfs                          type  fuse.gvfsd-fuse  (rw,nosuid,nodev,user=enlightened)

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