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System 7 (later named Mac OS 7) is the seventh major release of the classic Mac OS operating system for Macintosh computers, made by Apple Computer.It was launched on May 13, 1991, to succeed System 6 with virtual memory, personal file sharing, QuickTime, TrueType fonts, the Force Quit dialog, and an improved user interface.
Macintosh Programmer's Workshop (MPW) is a software development environment for the Classic Mac OS operating system, written by Apple Computer.For Macintosh developers, it was one of the primary tools for building applications for System 7.x and Mac OS 8.x and 9.x.
Classic Mac OS is characterized by its monolithic design. Initial versions of the System Software run one application at a time. System 5 introduced cooperative multitasking. System 7 supports 32-bit memory addressing and virtual memory, allowing larger programs. Later updates to the System 7 enable the transition to the PowerPC architecture.
Classic Mac OS: System 1: System 2: 1985 System 3: 1986 System 4: 1987 System Software 5: Also marketed as System 5; System Software 6: 1988 Also marketed as System 6; Macintosh computers (68k and PowerPC) System 7: 1991 System 7.5.1 was the first to refer to itself as Mac OS; Mac OS 7.6 was the first to be branded as "Mac OS" Mac OS 8: 1997 ...
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
Support for Macintosh clones was first exhibited in System 7.5.1, which was the first version to include the "Mac OS" logo (a variation on the original Happy Mac startup icon), and Mac OS 7.6 was the first to be named "Mac OS" instead of "System". These changes were made to disassociate the operating system from Apple's own Macintosh models.
Multiple users: at the time At Ease was released, System 7 did not support multiple users. At Ease 2.0 and later [2] provided an easy and safe way for Macintosh users to store personal files on their computer and protect them from other people using the same computer.
For a list of current programs, see List of Mac software. Third-party databases include VersionTracker , MacUpdate and iUseThis . Since a list like this might grow too big and become unmanageable, this list is confined to those programs for which a Wikipedia article exists.