![]() In the swap section, you see the total, used, and free columns. The cache is the memory used by the page cache and slabs.Īvailable: The total memory available to start new applications without swapping on your Linux system. Buff is the amount of memory used by the Linux kernel for buffers. Shared: Amount of memory mostly used by the tmpfs file systems.īuff/cache: It is the sum of buffers and cache. Total: The total RAM installed on your server.įree: The total free memory on your server. In the mem section you see the total, used, free, shared, buff/cache, and available columns. Total used free shared buff/cache availableĪlso, you can use the command below to see the total memory on your Linux system: free -t -m Output ![]() In your output, you will see something similar to this: Output To see the free memory size in MB, you can use the command below on Linux: free -m The free command provides information about the total amount of the physical and swap memory, as well as the free and used memory on Linux. SwapFree: 523260 kB Use free command to Monitor Linux Memory Usage $ egrep -color 'Mem|Cache|Swap' /proc/meminfo ![]() To see the memory information, you can use the following commands on your Linux system: $ cat /proc/meminfo proc/meminfo reports current memory usage on your system, along with some other information about your memory. Find Linux Memory Usage with /proc/meminfo file Now follow the steps below to see how to check your memory usage with commonly used Linux commands. You need to log in to your server as a root or non-root user with sudo privileges. ![]() In this guide, we’ll look at some commands that can be most helpful in identifying the users and processes that are using the most memory. ![]()
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