![]() With the -h switch, the free command displays the memory and swap utilization in nearest possible, 3 digit format. Without the use of any switch, the displayed output is printed in kilobytes. This command is used to check memory and swap utilization on your system in a few lines. Then you can choose the following ways to get swap space information: The Linux free command In order to open the Terminal, you can either use the Dash or the Ctrl+alt+T shortcut. We are making use of the Ubuntu command line, the Terminal, in order to check swap space on our system. The commands and procedures described in this article have been run on an Ubuntu 20.04 LTS system. In this article, we will describe a few ways to check for available swap space on your Ubuntu system. Therefore, it should not be considered an appropriate alternative to RAM. This space is especially useful when a system is down on RAM however, swap space is located on the hard drive and hence slower to access. ![]() ![]() ![]() In this process, the inactive pages of our memory are moved to the swap space, creating more memory resources. When the physical memory or RAM on our system is full, we end to make use of the swap space on our systems. ![]()
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