Adds tmux article.

Author: OPC CI

TABLE_OF_CONTENTS.md

@@ -75,6 +75,7 @@
   * [Capture a screenshot](./development/guides/capture-a-screenshot.md)
   * [Compare two fingerprints](./development/guides/diff-fingerprints.md)
   * [Customize the drive ui](./development/guides/customize-the-drive-ui.md)
+  * [TMUX and EON Cheatsheet](./development/guides/tmux.md)
 
 ### Tools
 

development/guides/tmux.md

@@ -0,0 +1,59 @@
+# Comma EON: tmux cheatsheet for NEOS
+
+This is more of a reference post rather than a tutorial.
+The EON is specifically different with normal tmux documentation.
+
+Although I don’t understand the reasoning just yet, I can tell you the basics of what I’ve learned. I will continue to update this reference as I get more information. I’m also going to give you a cross platform view of different ways to attach tmux in different terminal emulators. From what I’m seeing, they’re all the same.
+
+**TLDR;**
+If you’re just looking to detach from tmux on EON, the hot keys are ```+ `d`
+
+## Open Terminal / PowerShell
+
+On **Mac**: `CMD+SPACEBAR` and type `Terminal` and press **Return**.
+
+![img](https://cdn-images-1.medium.com/max/800/1*ZyRv0BkXaGwYjXkR2WdWuQ.gif)
+
+On **Windows**: Press the`WINDOWS KEY` on your keyboard and type `PowerShell` and Right click the result and click `Run as Administrator` or right click the Start Menu icon and go to `Power Shell (Admin)`
+
+![img](https://cdn-images-1.medium.com/max/800/1*xZRlRe01VE-CW9mvj3G5oQ.gif)
+
+> **A NOTE ABOUT WINDOWS**:
+> I recommend getting comfortable with PowerShell and using Chocolatey Package Manager + OpenSSH. 
+> Learn how to set this up by following my guide below:
+
+[**Comma EON: Installing Tools for Accessing EON via SSH on Windows 10**
+*On most unix-based platforms, including MacOS and Ubuntu you will have the tools you need to connect to your Comma EON…*medium.com](https://medium.com/@jfrux/comma-eon-installing-tools-for-accessing-eon-via-ssh-on-windows-d8eb1ba7e7e5)
+
+On **Ubuntu**: `CTRL+ALT+T`
+
+You will remain in Terminal / PowerShell for the majority of this article series.
+
+## Get Connected
+
+Ensure your EON is connected to the same wifi network as you and then connect to it via SSH like so:
+
+```
+ssh root@<IP_ADDRESS_OF_EON> -p 8022 -i ~/.ssh/openpilot_rsa
+```
+
+> For additional information on how to SSH into your EON, checkout my article on [Connecting to EON via SSH](https://medium.com/@jfrux/comma-eon-getting-connected-with-ssh-3ed6136e4a75). It also contains information on determining your EON’s IP address, and its Wifi settings.
+
+[**Comma EON: Getting Connected with SSH**
+*Recently I’ve noticed loads of requests for a simpler guide to getting connected to EON. The “dashcam” device that is…*medium.com](https://medium.com/@jfrux/comma-eon-getting-connected-with-ssh-3ed6136e4a75)
+
+![img](https://cdn-images-1.medium.com/max/800/1*V2RwhZQ5GOWHHQ0aSPgXxw.gif)
+
+### Attaching
+
+You can attach to the tmux session with the standard command:
+
+```
+tmux attach
+```
+
+### Detaching
+
+Detaching from the EON tmux session is different than normal…
+
+On Mac: ``` + `d`On Linux: ``` + `d`On Windows w/ OpenSSH: ``` + `d`On Windows w/ PuTTY: ``` + `d`