In computing, free memory refers to the portion of a computer’s random access memory (RAM) that is not currently being used by any running programs or processes. Monitoring free memory is important for ensuring that a system has enough resources to run smoothly and efficiently.
There are several ways to check free memory in Linux. One common method is to use the free command. The free command displays information about the total amount of RAM, the amount of used RAM, and the amount of free RAM. For example, the following command will display free memory information: