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# Userspace
Every directory represents a single program that's run in the userspace. By default, apps will run in ring 3 and can be executed using the `exec` syscall. The default process that runs after the kernel is done initializing everything is `init`. This initial process may call GUI programs or other processes that can reproduce themself. The `idle` app however is the special idling process which runs if no other process is running (called in the process scheduler).
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