Plugins not working

i rented a server 3 days ago and still cannot get the plugins to work. where is my folder even located? oxide is installed due to when i type oxide.verion is says 2.0 or whatever then when i type oxide.plugins it says there is only 1 and i have many in the folder so idk what im doing wrong but people are saying it is supposed to go into the oxide/plugins folder but i dont have one the only oxide folder i have is in the server folder. someone help please so i can play my server with mods