Check CPU and RAM usage from the terminal Using the simple top command. One of the easiest ways to get CPU and RAM usage details is by using the simple top command in the terminal.

Several commands report on how much memory is installed and being used on Linux systems. You can be deluged with details or get a quick and easy answer, depending on the command you use.

The best command for getting a quick and accurate view of memory use on a Linux system is probably the free command, provided you factor in an understanding of what the -/+ buffers/cache line is ...

If you’re on an RHEL-based Linux distribution such as Fedora or Rocky Linux, the installation command is: sudo dnf install btop -y. How to use btop. From the terminal window, issue the command: btop ...