Ps (Unix)

ps
Original author(s)AT&T Bell Laboratories
Developer(s)Various open-source and commercial developers
Initial releaseFebruary 1973; 51 years ago (1973-02)
Written inC
Operating systemUnix, Unix-like, Plan 9, Inferno, KolibriOS, IBM i
PlatformCross-platform
TypeCommand
LicensePlan 9: MIT License

In most Unix and Unix-like operating systems, the ps (process status) program displays the currently-running processes. The related Unix utility top provides a real-time view of the running processes.