Linux is the most stable operating system, thus it been used as server OS long time ago until now. Beside as a server os, it is also used as desktop operating system for daily computing needs, such as for college, for office work, even for scientis. Today's Linux is not command based again because the maturity of desktop environment that you can choose and use it as you like, for me I prefer xfce because it stability and eye catching enough.
Occasionally, we need to check the cpu usage and memory which is used by our system. This is needed when we feel our computer runs heavy and lag because of any application consume lots of RAM or CPU. To do this, we can use Terminal or using GUI to monitor them.
How to Monitor Memory and CPU Usage
Chechking or monitoring computer resouce in Linux is easy. When you become a webmaster you will this tool frequently to avoid the unwanted things. There is 2 application for task manager in Linux called "htop" that run in Terminal and "Task Manager" GUI way.
Task Manager Console for LinuxHTOP is very well known task manager in Linux. This application runs using Terminal so that you have to open terminal and type htop then hit enter to see the cpu and RAM usage. If you have not installed it yet, you can install by executing these command below:
sudo apt install htop
Wait until installaton progress finished, after that type htop to see the running applications on your system. To close this application you need to hit Ctrl+C button, Hitting F10 button is needed when you work on a Linux server. Here is mine: