HTOP is a very nice alternative process viewer for use in the terminal on Linux systems. It's even available for Android. On Debian like systems, HTOP is already contained in the repositories. The installation on Android via terminal is also makable without any additional repositories.
Installation (Debian / Ubuntu):
sudo apt install htop
Installation (Android) via Terminal:
pkg install htop
Installation on other Linux distributions:
Take notice of the information on the developer website:
http://hisham.hm/htop/index.php?page=downloads#sources
Screens:
Screenshot: htop on Ubuntu LinuxScreenshot: Options
htop for Android
Standard process viewer top on Ubuntu Linux
Have a lot of fun!
For questions, suggestions or wishes just leave a comment below...