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The free command can be also used to check and monitor memory usage.

topĪs we can see from the output the “cat /proc/meminfo” command provides a lot of and detailed information about the memory. The top command can be started like below. The top command is an interactive command which provides and refreshes up-to-date information. The memory usage can be checked with the top command easily. It provides information about CPU, Memory, Disk usage, and their details. The top command is installed default by most of the Linux distributions like Ubuntu, Debian, Mint, Kali, Fedora, CentOS, RHEL, SuSe, etc. The top command is the most popular command used to monitor and check Linux system resources. The ram usage can be checked via a command or file or GUI tool. Hopefully, Linux provides a lot of different ways and commands in order to check and monitor memory/RAM usage. Some applications may use a lot of memory even non-existing memory for specific time periods. A typical system administrator should monitor and manage memory usage for the Linux servers. So a typical system has a lot of processes and services it uses and manages a lot of memory. The memory or RAM is one of the most important system resources where every running process, command, service, the job requires and uses some memory. Linux operating system manages and uses different system resources.