Which software application published by Wind River has a feature/module/fiile named "FD"? What is FD?

The software application published by Wind River that includes a feature or module named "FD" is the **VxWorks real-time operating system**. In this context, "FD" refers to **File Descriptor**. In the VxWorks environment, file descriptors are used to access files, sockets, or other I/O resources. They serve as handles that applications use to interact with lower-level system resources, making file and network operations more manageable within the system's programming model. If you need further details about the specific usage or functionality of file descriptors in VxWorks or any related features, feel free to ask!