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The Origins of Xcode 4
Xcode 4 has its roots in Project Builder and Interface Builder, the two development tools created for NeXTSTEP. The NeXTSTEP operating system ran on the NeXT computer, which was manufactured by NeXT, the company Steve Jobs founded when he left Apple in 1985. The hardware side of the business was not successful, and NeXTSTEP morphed into OPENSTEP, which ran on Sun’s Solaris operating system, and later on Windows. After Apple purchased NeXT in 1996, the ...
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