Classic Environment

E736571

Classic Environment was a compatibility layer in early versions of Mac OS X that allowed users to run applications designed for the classic Mac OS (System 9 and earlier) within the newer operating system.

All labels observed (1)

Label Occurrences
Classic Environment canonical 4

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf Mac OS component ⓘ
software compatibility layer ⓘ
allows running Mac OS 9 applications without rebooting ⓘ
alsoKnownAs Classic ⓘ
architecture PowerPC-only ⓘ
cannotRun on Mac OS X 10.5 Leopard and later ⓘ
on macOS (post-OS X rebranding) ⓘ
category Mac OS X classic compatibility ⓘ
designedFor users migrating from Mac OS 9 to Mac OS X ⓘ
developer Apple Inc. ⓘ
discontinuedOnArchitecture Intel-based Macintosh computers ⓘ
doesNotSupport Intel-based Macs ⓘ
linked to: Intel-based Mac

applications requiring direct hardware access under classic Mac OS ⓘ
emulates Mac OS 9 environment ⓘ
executionModel runs classic Mac OS as a task under Mac OS X ⓘ
fileSystemAccess provides access to Mac OS X file system for classic apps ⓘ
graphicsIntegration maps classic Mac OS graphics into Quartz windows ⓘ
guestOperatingSystem Mac OS 9 ⓘ
hostOperatingSystem Darwin-based Mac OS X ⓘ
introducedIn early versions of Mac OS X ⓘ
kernelType runs classic Mac OS in a virtualized environment on top of Mac OS X ⓘ
lastSupportedIn Mac OS X 10.4 Tiger on PowerPC ⓘ
linked to: Mac OS X 10.4 Tiger
multitaskingModel coexists with native Mac OS X applications ⓘ
operatingSystem Mac OS X ⓘ
linked to: macOS
primaryPurpose transition from classic Mac OS to Mac OS X ⓘ
printingSupport uses Mac OS X printing system for classic applications ⓘ
provides backward compatibility for classic Mac OS software ⓘ
replacedBy native Mac OS X applications ⓘ
replacedTechnology direct booting into Mac OS 9 ⓘ
requires Mac OS 9 system folder ⓘ
PowerPC processor ⓘ
installed copy of Mac OS 9 on the same machine ⓘ
runsOn PowerPC-based Macintosh computers ⓘ
status discontinued ⓘ
supportedOperatingSystem Mac OS X 10.0 Cheetah ⓘ
Mac OS X 10.1 Puma ⓘ
Mac OS X 10.2 Jaguar ⓘ
Mac OS X 10.3 Panther ⓘ
Mac OS X 10.4 Tiger ⓘ
supports Carbon-based classic applications that run under Mac OS 9 ⓘ
Mac OS 9 applications ⓘ
classic Mac OS applications ⓘ
targetPlatform classic Mac OS ⓘ
linked to: Classic Mac OS
type compatibility subsystem ⓘ
userInterfaceIntegration runs classic applications in windows on the Mac OS X desktop ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Mac OS X 10.1 Puma → includedComponent → Classic Environment ⓘ
Mac OS X transition technologies → includes → Classic Environment ⓘ
Mac OS X 10.2 Jaguar → supports → Classic Environment ⓘ
Blue Box → relatedTo → Classic Environment ⓘ