Htop explained – everything you can see in htop on Linux (2019)

This article from peteris.rocks explains the functionality of htop, a system monitoring tool for Linux. It delves into various aspects such as uptime, load average, processes, process IDs, memory usage, and more. The author provides insights into how htop displays system information, including the significance of load averages in understanding system load over time. The article also covers the use of process IDs to identify and manage processes, detailing how procfs facilitates access to process-related information in the Linux kernel. Additionally, it touches on the process tree structure, illustrating the parent-child relationships between processes. The piece offers practical examples and commands to explore system data using tools like strace and procfs. Overall, it serves as a comprehensive guide for users seeking to interpret and analyze system metrics using htop on Linux systems.