System 7
System 7, codenamed "Big Bang", and renamed Mac OS 7 since version 7.6, is the main operating system for Macintosh computers from Apple Computer. It succeeded System 6 upon launch on May 13, 1991, and new features since then include virtual memory, personal file sharing, QuickTime, QuickDraw 3D, and an improved user interface.
| Version of the classic Mac OS operating system | |
Screenshot of Mac OS 7.6.1 | |
| Developer | Apple Computer |
|---|---|
| OS family | Macintosh |
| Working state | Historic, not supported |
| Source model | Closed source |
| Initial release | May 13, 1991 |
| Latest release | 7.6.1 / April 7, 1997 |
| Platforms | Motorola 68k series, PowerPC (7.1.2 onward) |
| Kernel type | Monolithic (68k), nanokernel (PowerPC) |
| License | Proprietary |
| Preceded by | System 6 |
| Succeeded by | Mac OS 8 |
| Official website | Mac OS Releases at the Wayback Machine (archived April 12, 1997) |
| Tagline | It's powerful, it's easy to use-it's the new operating system for your Macintosh. |
| Support status | |
| Historical, unsupported as of May 2001 | |
| Part of a series on |
| Classic Mac OS |
|---|
The name "Mac OS" debuted on System 7.5.1's boot screen, and the system was officially renamed since Mac OS 7.6 in 1997. The Mac OS 7 series was current for a total of more than six years, as the longest-lived major version of classic Mac OS.
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