linux command to check system information code example

Example 1: linux command to show memory hardware

$ df -H
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda6       104G   26G   73G  26% /
none            4.1k     0  4.1k   0% /sys/fs/cgroup
udev            4.2G  4.1k  4.2G   1% /dev
tmpfs           837M  1.6M  835M   1% /run
none            5.3M     0  5.3M   0% /run/lock
none            4.2G   13M  4.2G   1% /run/shm
none            105M   21k  105M   1% /run/user
/dev/sda8       210G  149G   51G  75% /media/13f35f59-f023-4d98-b06f-9dfaebefd6c1
/dev/sda5       105G   31G   75G  30% /media/4668484A68483B47

Example 2: linux command to show memory hardware

# List RAM Memory Information
dmidecode -t memory | grep -i size