application, without free any cache memory by hand. # htop. htop shows a frequently updated list of the processes currently running, normally ordered by the amount of CPU usage.Unlike top, htop provides a full list of processes running, instead of the top resource-consuming processes.Htop uses color and gives visual information about processor, swap and memory status. List Top 15 Processes By Memory Usage. You can sort processes by the amount of RAM they use. Top command displays a listing of the most CPU utilization tasks and also can sort the tasks by CPU usage, memory usage and runtime. There’s a similar utility called htop that is much easier to use for normal tasks. The user interface is divided into three parts. You get bar-like interactive gauges that are configurable to your liking (1), a short summary of running tasks, load average and uptime (2) and a detailed view of running processes (3), and a quick list of the most common keyboard shortcuts, also accessible with a mouse (4). htop command sort by PID, Memory Usage, CPU Usage, time, user, and command or order by PID, Memory Usage, CPU Usage, time, user and command. The top portion has some system statistics, including load averages for the past minute, 5 minutes, and 15 minutes. P: Sort by processor usage (top compatibility key). How about a program that combines the best of both worlds? Tasks related to processes (killing, renicing) can be done without entering their PIDs. Htop is a command-line task management tool that uses text characters to generate graphics. The column sort order can be changed with F6 key. Most are in areas where top shows some of its age; for example, in htop you can scroll the list of processes vertically and horizontally to see all the process info. htop supports mouse operation, uses color in its output and gives visual indications about processor, memory and swap usage. htop is quite similar to the top command. M … o: VIRT -- Virtual Image (kb) The total amount of virtual memory used by the task. How to check RAM usage with htop. htop allows you to browse through processes running on the system, sort them in various ways (try clicking one of the headers to sort by that column, and click it again to reverse sort), to kill processes when needed using a variety of kill signals (to do so, select a process to kill, press F9 and select a kill signal), and a variety of other monitoring and process management features. There’s a similar utility called htop that is much easier to use for normal tasks. htop. Interactive htop view. The ‘+’  that precedes the field name (%MEM) specifies that the field will be sorted in descending order. Save my name, email, and website in this browser for the next time I comment. It also shows memory and swap usage, and the count of various process states. Let’s now shift gears and see the various options that come with the htop utility tool. The bottom portion has every process on the system, organized by the top users of resources. Enter the top interactive sorting command: omem, a. The first great thing about htop is that it will show you your usage per CPU, as well as a meaningful text graph of your memory and swap … This linux tutorial mainly shares with you how to sort the linux system CPU usage or memory usage when using the linux top command. Use the top -o option to sort the CPU usage as follows: In the top interactive mode, you need to execute the top command directly on the terminal, and then enter the interactive command on the top monitoring page. Actually, %MEM stands for percentage of memory, so you are sorting by percent. If you do not want to display the summary table on top, but just the process table with the top 10 tasks, then you can use the sed utility to display only specific lines. htop explained. Method 1 – Htop. To truly become a master at using htop, be sure to use these handy shortcuts. Significantly, htop shows all running processes whereas top focuses on the top processes that consume the most system resources. # htop. It's like an advanced version of the original top tool which allows you to sort the output in a much easier way and appearance. And also it is colorful. These should be your first stops in exploring htop's functionality. Linux top two ways to sort by memory: top -o option and top interactive mode, have you learned? A full list of all options can be found in the man page of the htop command here. htop is used as a serious tool, so not documenting how it actually behaves is hardly a good thing. This leads us to the end of our article on top commands to check the memory usage on Linux. Htop is a free (GPL) ncurses-based process viewer for Linux. $ top -o +%MEM. In the first part (upper-left corner), we see bar-like gauges that show our processor usage, memory in use, and swap memory in use, respectively. Memory sizes in htop are displayed as they are in tools from the GNU Coreutils (when ran with the --human-readable option). Htop is an interactive, ncurses-based processes viewer for Linux systems. ~ top -o mem # OR ~ top -o -mem. Sort by memory … Htop, or Hisham’s top, is an interactive process viewer for Unix systems.With htop you are provided the same functionality as top, however it provides some needed improvements. Memory is not 'abstract', like CPU capacity its a fixed resource, users, sysadmins and programmers rely on getting true information from tools like yours to determine whether they need more hardware, programs are behaving themselves etc etc. 1.0 INTRODUCTION. 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