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37 lines
1.9 KiB
37 lines
1.9 KiB
Chapter 3.1.2 htop
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==================
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htop is an ncurses text interface task manager that can be controled by the keyboard.
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Useage
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------
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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.
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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. Uptime shows how long your computer has been booted.
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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.
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You can press :kbd:`F1` to help you with settings on htop. :kbd:`F2` brings about a customizeable settings on htop. :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.
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Screenshot
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----------
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.. image:: htop.png
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:width: 80%
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Version
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-------
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Lubuntu ships with version 2.2.0 of htop.
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How to launch
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-------------
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To launch htop from the menu :menuselection:`system tools --> htop` with the Icon that looks like the green H made out of text or run
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.. code::
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htop
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from the command line.
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