I have create a local server and have decided to add mods to it. I have downloaded Oxide and installed it then went out and grabbed to plugins. I have copied those plugin cs files to my plugin folder and went to the server console and type 'oxide.reload *' nothing so after reading a couple postings on the internet others have recommended typing the plugin name after the command as such 'oxide.reload GatherManager'. They also indicated that it was case sensitive. I have tried every combination capitalized, exact spelling as it appears in the file directory and still nothing. Any suggestions would be amazing. 
Thanks

What exactly shows? If the command comes back as "Unknown command", you do not hve Oxide installed. Installing plugins in the plugins folder would also generally loaded them automatically if Oxide is installed. The oxide.reload command is also intended only for plugins already loaded, so you'd be looking for oxide.load if loading manually.

When I type the command it says 
Command 'oxide.reload *' not found
same error for all the other commands that I have tried to load plugins with such as using the exact name of the plugin. 
Also I typed the oxide.load command and it said the same thing. Command 'oxide.load' not found

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thanks for the quick response by the way. 

Right, you do not have Oxide installed then.

Ok I guess I need help with that than, I downloaded the oxide and extracted it then dumped RustDeticated_Data folder in the same directory as my servers RustDeticated.exe file. Allowed the files to write over the existing files of the same names. Restarted the server and now there is a oxide folder in the server directory and a compiler.exe file that was not there before. Is there something else that I need to do to complete the installation? Sorry if this is a stupid question.  I literally watched at least 10 videos on youtube and did exactly what they did. 

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I went to my server and typed oxide.version and it was not found either so it appears you are correct. I thought that the install is just dropping the files and folders on the server in the correct spot then restarting the server? 

Make sure you aren't running SteamCMD each time you start the server, as that would generally remove Oxide's modification to the server.