Sorry. My English is not good.
I know that the plugins should be in that directory. Most of my clients sites are in wordpress.
What I did yesterday, I downloaded the wordpress client to a local computer to check if the plugin works in a different manner.
I tested the plugin in every way possible on the server. In a zip, unzipped, uploading the file with the plugin enabled, importing from another directory and does not work. The plugin is loaded but not sliders.
However, on a Windows PC and xampp working properly. Under this configuration, when I install the plugin in wordpress directories are created automatically that I have mentioned in the previous post. This does not happen on the Linux server although granted the appropriate permissions.
I hope I have expressed myself better now. Greetings.