Write to a shared directory between users

Hi there !

We're making an application for schools where they can download some assets that will be loaded dynamically later.

The user have 3 choices :
- 1) download for self (it is saved in persistentDataPath)
- 2) download for the different users on the device (saved in ????)
- 3) download on any other directory, the user opens a custom file browser to select it.

So my question is about the second point, I don't know where to save it without getting a "permission denied" error.
On Windows, we write into a subdir of System.Environment.SpecialFolder.CommonApplicationData, and on OSX into a subdir of /usr/local.

Does anyone have an idea about possible the location on Linux ?

 

There aren't many locations on linux that are world-writable by default.
If you have control over how the client machines will be configured, you could create a world-writable directory in e.g. /usr/local. If you don't, /tmp might be your only option (and /tmp is often cleared on reboot).