V (Operating System): Kernel (Computer Science), Operating system

O(1) Scheduler: Kernel (Computer Science), Real Time Operating System

Shell (Computing): Windows Shell, Replacement, Interface (Computer Science), Operating System, Kernel (Computing)

XMK (Operating System): Real Time Operating System, C (Programming Language), Microcontroller, Thread (Computer Science)

Wait (System Call): System Call, Exit Status, (Operating System), Fork Computer, Operating