To be fair, that's by design and they make no secret of the fact that it's not a fully featured OS. FreeRTOS has a lot of that stuff available but I think that

To be fair, that's by design and they make no secret of the fact that it's not a fully featured OS. FreeRTOS has a lot of that stuff available but I think that part of the reason it's so popular is because of how bare-bones, lightweight, and portable it is. From their FAQ: What is a Real Time Kernel? See the page "what is an RTOS" for a more detailed explanation than provided here. A Real Time Operating System can provide many resources to application writers - including TCP/IP stacks, files systems, etc. The Kernel is the part of the operating system that is responsible for task management, and intertask communication and synchronisation. FreeRTOS is a real time kernel.