Geek Fact for June 17th

In 1988, Microsoft released MS-DOS 4.0.

MS-DOS 4.0 provided XMS support, support for partitions on hard disks up to 2 GB and a graphical shell. Compatability issues and bugs were addressed in MS-DOS 4.01 later that year.

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About the Author

Judy Novotny

Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at