It shows a frequently updated list of the processes running on a computer, normally ordered by the amount of CPU usage. 3554544k - 49672k - 975192k = 2529680k used memory. htop is just like top, but on steroids. 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. htop explained. However, top is showing its age and there are a bunch of utilities that offer a more feature-laden alternative. You can scroll vertically to view the full process list, and scroll horizontally to view the full command line of … It lets you kill processes, filter them, offers tree view of processes (press F5), and a couple of other features. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds. Explanation of everything you can see in htop/top on Linux. Once you are used to htop, you’ll never go back to top again. Htop. 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 Here is a screenshot of top and htop running at the same moment on same host (both sorted by cpu usage). By default, htop shows colored status bars for processors, memory, and swap. In 2004, Hisham Muhammad began work on creating a distinctly different systems telemetry monitor. Maybe I should give top another go though. htop is a real Linux command. Glances sounds immense for something that's just for monitoring. You can interact with the htop using mouse. However, when I run 'top' I get: Mem: 1016332k total, 746252k Htop vs 'top' vs 'free' disparity This is because htop counts cached memory and buffers into free memory, whereas top command does not. It helps with system administration by identifying users and processes that are hogging the system. Htop put a focus on telemetry display organisation. that gives pretty close results with 2543MB from htop When I run Htop on my Ubuntu 10.04 machine, the "Mem" line reads 239/992MB. It is also useful for non-system administrators, helping to track and kill errant processes. Why does top show only few of php-cgi and mysqld processes while 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. For Ubuntu-based distros, you just have to head to the terminal and type in: sudo apt install htop 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. With reference to my screenshot, the free memory would be . It uses ncurses to provide a “text-graphical” interface. top is a very popular utility. 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