To view how much RAM is being used on your system is under :guilabel:`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.
:guilabel:`Load average` shows your system laod over the past one five and fiften minute is why there are three numbers see `wikipedia load (computing) <https://en.wikipedia.org/wiki/Load_(computing)>`_ for more infmormation. :guilabel:`Uptime` shows how long your computer has been booted.
After the bottom there is a green bar that says :guilabel:`PID` for the Process ID of a user, The user the process responds to, :guilabel:`RES` is how much RAM the process is currently using. :guilabel:`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. :guilabel:`Time` shows how long the process has been running. :guilabel:`Command` shows the command line command of the process.
You can press :kbd:`F1` to help you with settings on htop. Pressing :kbd:`F3` lets you search for a particular process. To reverse sort order press :kbd:`Shift +I`. :kbd:`F4` makes it so you can only see processes matching a certain partern. :kbd:`F5` is what you press to veiw file in a tree. Pressing :kbd:`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 :kbd:`F10` will quit htop and return you to a terminal.
To change how your process are sorted press :kbd:`F6` which will bring up your own menu to sort by by PID, USER, Priority, NICE, M_Size, M_Resident, M_Share, State, Percent_CPU, Percent_Mem, Time, or Command.
