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Methods to check memory usage in CentOS 8 ?

This article will guide you on how to check the #memory #usage on the #CentOS 8 system. Moreover, we have executed different commands such as cat, free, #vmstat, top and htop that are used to display the memory information. 

sudo apt-get clean clears out the local #repository of retrieved package files.It removes everything but the lock file from /var/cache/apt/archives/ and /var/cache/apt/archives/partial/. Another possibility to see what happens when we use the command sudo apt-get clean is to simulate the execution with the -s -option.

Using these commands, you can easily get information about your system RAM, and CPU.

Commands to check memory usage on Linux:

1. free command. The free command is the most simple and easy to use command to check memory usage on linux.

2. /proc/meminfo. The next way to check memory usage is to read the /proc/meminfo file. 3. vmstat. The vmstat command with the s option, lays out the memory usage statistics much like the proc command.

5. top command.

5. htop.