Add htop useage and a screenshot.

source/3/3.1/3.1.2/htop.rst

@@ -7,12 +7,24 @@ Useage
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 To view how much RAM is being used on your system is under mem and then a [ number based on how many Gigabytes of memory. The Swap line lists how much swap is used. The numbers going down with a bar with a percentage next to them display useage on each of your cpu cores.
 
+Load average shows your system laod over the past one five and fiften minute is why there are three numbers see `https://en.wikipedia.org/wiki/Load_(computing)` for more infmormation. Uptime shows how long your computer has been booted.
+
+After the bottom there is a green bar that says PID for the Process ID of a user, The user the process responds to, RES is how much RAM the process is currently using. CPU% shows how much as a percent of CPU time the process is using, mem% is a precent of the RAM your proess is using. TIme shows how long the process has been running. COmmand shows the command line command of the process. 
+
+You can press F1 to help you with settings on htop. F2 brings about a customizeable settings on htop. F3 lets you search for a particular process. F4 makes it so you can only see processes matching a certain partern. F5 is what you press to veiw file in a tree. PRessing F9 lets you kill a process with different signals to send to the process and 15 will terminate the process while 9 will Kill it. Lastly F10 will quit htop and return you to a terminal. 
+
+Screenshot
+----------
+
+ .. image:: htop.png
+   :width: 80%
+
 Version
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 Lubuntu ships with version 2.2.0 of htop. 
 
 How to launch
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-To launch htop from the menu -> system tools -> htop with the Icon that looks like the green H made out of text.
+To launch htop from the menu -> system tools -> htop with the Icon that looks like the green H made out of text or you can run htop from the command line.