Several commands report on how much memory is installed and being used on Linux systems. ... 2:37, 2 users, load average: 0.00, 0.00, 0.00 Tasks: 266 total, 1 running, 265 sleeping, ...

How to Check Your RAM in Linux. 1. Open a terminal window. 2. Use the free command. This will show the available memory, and how the memory has been allocated, in Kilobytes. free . 3.