Asynchronous I/O: Input/output, Hertz, Operating system, Polling (computer science), System call, Direct memory access, CP/M, Interrupt, Spooling, Thread Internet Protocol Suite

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

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

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

Paping: Host (Network), Internet Protocol, Operating System