Stratify OS threads are based on POSIX threads. They are just written with an API wrapper that allows the use of the pthread API. They are written based on the POSIX specification. Stratify OS includes an embedded friendly C++ API called the Stratify API that makes it extremely easy to manage threads.
Understanding Filesystems on Stratify OS
Stratify OS supports any number and any type of filesystem.
How Stratify OS Leverages the ARM Cortex M Hardware
Stratify OS was designed specifically to take advantage of the powerful hardware features introduced with the ARM Cortex M architecture.