System 9 or System IX may refer to: == Computing == IBM System z9, the mainframe line Plan 9 from Bell Labs, the operating system Mac OS 9, latest release of Classic Mac OS operating system OS-9, the Unix-like real time operating system SYSTEM POWER 9, line of power supplies by be quiet!
System 9 or System IX may refer to: == Computing == IBM System z9, the mainframe line Plan 9 from Bell Labs, the operating system Mac OS 9, latest release of Classic Mac OS operating system OS-9, the Unix-like real time operating system SYSTEM POWER 9, line of power supplies by be quiet!
Source: Wikipedia "System 9" · CC BY-SA 4.0
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