In this article, there are 6 ways to check the memory usage in Linux. atop, top, htop, vmstat and free commands to check the usage of memory.
Category: Process Management
2 easy ways to install the htop command in CentOS 7/8, with some htop examples. htop command is to track the resource usage for the system.
10 useful Basic Commands of Linux, list, make directory, remove directory and file, check the process, check the logs.

htop command in Linux, CentOS 7 and Ubuntu explained in detail. htop command is used to monitor real-time Processes in Linux, CentOS, Ubuntu.
The top command in Linux/Unix is to display or to monitor a dynamic real-time view the Process, Linux top command/Unix top command.
top command output is explained in detail for the Upper part(Summary display) and the Lower part (FIELDS / Columns Display) which shows the Processes.