Timeline of operating systems
subject: Category:Real-time operating systems
label: Хронологія операційних систем @uk
subject: Category:Computing timelines
subject: Category:Embedded operating systems
description: chronologie @fr
description: Zeitleiste @de
label: 作業系統歷史年表 @zh
label: Cronologia dos sistemas operativos @pt
label: Chronologie des systèmes d'exploitation @fr
description: cronologia @it
label: Cronologia dei sistemi operativi @it
subject: Category:Operating systems
description: timeline