From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds. Like top, the htop program is still text-based, but it has a much nicer interface with colors, and easier way to send signals to processes, and support for tree displays. You can scroll vertically to view the full process list, and scroll horizontally to view the full command line of … htop is similar to top but allows you to scroll vertically and horizontally, so you can see all the processes running on the system, along with their full command lines. Here is a screenshot of top and htop running at the same moment on same host (both sorted by cpu usage). I'm always trying to simplify my Linux experience into the most Unix philosophy kind of tools but I could never get into top much, htop is just too nice. Maybe I should give top another go though. htop is a ncurses-based process viewer. By default, htop shows colored status bars for processors, memory, and swap. Htop is an interactive system-monitor process-viewer written for Linux. It is also useful for non-system administrators, helping to track and kill errant processes. Explanation of everything you can see in htop/top on Linux. For Ubuntu-based distros, you just have to head to the terminal and type in: sudo apt install htop There are bar charts for key CPU and memory metrics, processes can toggle between a flat list and a hierarchy via the F5 shortcut, field sorted can be done via mouse clicks and there are seven different colour modes are supported. Glances sounds immense for something that's just for monitoring. top is a very popular utility. htop is just like top, but on steroids. You can interact with the htop using mouse. that gives pretty close results with 2543MB from htop It lets you kill processes, filter them, offers tree view of processes (press F5), and a couple of other features. What does it mean when the Memory bar has a small level of green and blue, and almost all the remainder is yellow? It shows a frequently updated list of the processes running on a computer, normally ordered by the amount of CPU usage. With reference to my screenshot, the free memory would be . In 2004, Hisham Muhammad began work on creating a distinctly different systems telemetry monitor. It is designed to replace the Unix program top. In fact, I personally prefer using htop over top to keep an eye on the system resources and the processes. Htop. However, when I run 'top' I get: Mem: 1016332k total, 746252k Htop vs 'top' vs 'free' disparity However, top is showing its age and there are a bunch of utilities that offer a more feature-laden alternative. When I run Htop on my Ubuntu 10.04 machine, the "Mem" line reads 239/992MB. It helps with system administration by identifying users and processes that are hogging the system. 3554544k - 49672k - 975192k = 2529680k used memory. It is basically top with a slightly more colourful, more graphic interface which gives you more control of display scrolling. Htop put a focus on telemetry display organisation. Once you are used to htop, you’ll never go back to top again. Why does top show only few of php-cgi and mysqld processes while htop … It uses ncurses to provide a “text-graphical” interface. Last updated on November 17, 2019 #1 on /r/programming on November 16, 2019 #1 on Hacker News on November 1, 2019 #1 on Hacker News on December 2, 2016 #1 on /r/sysadmin on December 2, 2016 htop explained. htop is a real Linux command. This is because htop counts cached memory and buffers into free memory, whereas top command does not. How to install htop? `` Mem '' line reads 239/992MB of CPU usage top to keep an eye the. An eye on the system resources and the processes on creating a distinctly different telemetry! For something that 's just for monitoring all the remainder is yellow and processes. 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