System 7 is an operating system developed by Apple Inc. for Macintosh computers, first released in 1991. It is significant because it introduced key features that enhanced the Macintosh user experience, such as virtual memory, improved multitasking capabilities, and support for AppleScript, which allowed users to automate tasks. System 7 also brought a redesigned user interface, allowing for the use of multiple windows, enhanced services like file sharing, and better handling of fonts and colors.
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