To get the RPM downloaded and install for your architecture (32bit or 64bit), Follow the commands: To install htop on CentOS (5.X) or Redhat Linux server easily via yum package manager, you will need to have rpm forge package repository installed. * top is old and hence it is widely used and tested. * In htop there is no need to type the process number or priority value to renice a process as same as you do in top. Just by selecting the process and pressing f9 button on keyboard or clicking ‘kill’ option will delete the process instantly. * Like top you don’t need to type the process number to kill a process in ‘htop’. * You will need to wait each time when you press any unassigned key in top, especially its annoying when there are multiple key sequences are triggered by accident. * When debugging memory leaks in applications, htop displays a more convenient, mouse controlled cursor environment for killing processes as compared to top. * htop starts very quickly by gathering information while top takes time to collect data before displaying anything.
* Tree view of processes, SMP (symmetric multiprocessing) and other features available in htop. * Data displayed by htop is Color formatted & nicely sorted while top only shows white text with black background. You can scroll the list horizontally and vertically to see all processes and complete command lines. * htop supports mouse interaction while top doesn’t. Here are the some differences between htop and top command utility : It uses colors to give you visual information about memory, swap & CPU status.
It provides the same result as top, but with a full list of all running processes instead of showing top resource consuming processes. He came up with an idea to write htop in order to replace the standard ‘top’ command line tool in Unix/Linux operating system. The htop tool is basically text based interface written in C programming(using ncurses library) by Hisham Muhammad with the help of a group of code contributors. Htop is a great interactive process viewer for Linux servers, which is very robust and good alternative of ‘top’ command utility.
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