Table of Contents
| The Worlds of UNIX | 34 | 
| | A brief discussion of the power and porability of UNIX which introduces the more detailed articles that follow | 
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| Mark Rollins | 
| The Evolution of the UNIX Timesharing System | 36 | 
| | The origins of UNIX as told by one of the creators | 
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| Dennis Ritchie | 
| A Conversation with Ritchie and Thompson | 50 | 
| | Microsystems talks with the founders of UNIX: a discussion of its beginnings, and the impact that making UNIX a product has had on its development | 
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| UNIX System V on the Miniframe | 58 | 
| | Convergent Technologies' Miniframe runs the latest standard version of UNIX at a resonable price | 
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| John Malpas, Kathy O'Leary | 
| IBM PC/IX | 66 | 
| | IBM has released a strong implementation of UNIX System III to run on the PC | 
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| Peter Brooks | 
| The UNIX Experience | 80 | 
| | Discover this personal view of UNIX | 
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| Ron Gumbach | 
| The C Power Packs from Novum Organum | 84 | 
| | The Power Packs offer a C environment for the PC that will allow you to begin developing code fast | 
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| Chris Howlett | 
| X.25 Communications Protocol | 92 | 
| | How to build an actual machine for this protocol; the hardware details needed to implement the physical layer | 
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| Eric L. Beser | 
| Printer Networking with TurboDOS | 106 | 
| | Learn how to configure a TurboDOS system with one or more printers | 
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| Tedd Kurts | 
| Editor's Page | 6 | 
| | Conditions for portability... the S-100 bus -- a response to a reader | 
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| Mark Rollins | 
| News and Views | 8 | 
| | Running MS-DOS under UNIX; IBM and UNIX; Morrow multiuser system; The top 10 harware; What dows advertising cost?; Quatation of the Month | 
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| Sol Libes | 
| The S-100 Bus | 12 | 
| | The S-100 philosphy, and some thoughts on the MWRT signal | 
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| Dave Hardy | 
| The UNIX File | 18 | 
| | Where to find key points on using UNIX; a plea for a wider range of UNIX topics | 
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| Ian F. Darwin | 
| MS-DOS Window | 24 | 
| | Finding faults: How to spot trouble in your PC | 
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| Hank Kee | 
| The Graphics Palette | 29 | 
| | The adventures of the direct hardware interface | 
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| David McCune | 
| Letters to the Editor | 116 | 
| | This month... the WD2511 X.25 chip; a differing opinion on our editorial emphasis | 
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| Errata | 116 | 
| | Todd Katz's PMATE-The Programmer's Tool availability | 
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| New Producs | 118 | 
| | Sperry Personal Computer; Three new S-100 boards; Amdek 5055 Printer; Remote switch for PC-XT; Lattice Window; UNIX-like system preloaded on hard disk | 
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