35 years ago, the Mac got an era-defining upgrade (Macworld/Jason Snell)

Multitasking! Aliases! File sharing! System 7 had it all. A lot of Mac users don’t remember a time before Mac OS X (or macOS, or OS X, depending on the era), but before OS X arrived on the scene, the Mac ran on an entirely different operating system, the classic Mac OS, which was with us from the Mac’s launch in 1984 through the funeral Steve Jobs held for Mac OS 9 in 2002.…