Now, let's start htop, which is similar to the famous top program to view processes interactively. htop is the improved version of the normal top program, which adds new features such as scrolling vertically and horizontally so that you can see all the processes running on your system along with the full command lines. The htop program shows you a lot of different information about your system. Press the q key to quit the program. There are a lot of different shortcut options to learn; read the manual pages to learn more.