Geek Fact for July 19th – It’s All About IBM

In 1988, 
International Business Machines (IBM) shipped version 4.00 of the PC-DOS operating system.

PC-DOS 4.0 had an optional text-based file manager shell (DOSSHELL) with pull-down menus called by typing the F10 key, optional mouse support, a text-based user interface and support for hard disk partitions over 32MB.

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In 1960, 
IBM debuted its IBM 1001 Data Transmission System.

The IBM 1000 Data Transmission System answered telephones and recorded messages using punch cards. It allowed you to collect information in a more timely manner. Information could be sent from any office, plant or department for the cost of a phone call.

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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

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