NEXTSTEP IN FOCUS

	Support Bulletin for Users and System Administrators
	Volume 3, Issue 2
	Spring 1993

	FEATURES

3	Surviving DOS
	A crash course in DOS basics, including specifying file names and translating UNIXâ commands to DOS, plus a glossary of basic DOS and PC terms and concepts. 
	Dan Peknik

9	PC Configuration for NEXTSTEP
	An introduction to IRQs, I/O ports, DMA addresses, and acronyms galore, plus a checklist and troubleshooting guide. 
	Terry Williams

14	The Big SetupÐBehind the Scenes of Configure
	How NEXTSTEP configures and stores PC device drivers. 
	Matt Watson

17	Staying Secure
	How the bad guys could get you and how to keep them out, plus a field guide to nasty software. 
	Marc Majka

24	How We Tested NEXTSTEP for Intel Processors
	The steps NeXT took to shake the bugs out of Release 3.1, plus how we measure the overall quality of a release. 
	Jim Walsh

	DEPARTMENTS

2	Focal Point
	What happened to the support bulletin you knew and loved.

28	Tips & Techniques
	Getting help from the new NeXTanswersä; sending bug reports with BugNeXT; partitioning a PC disk; switching between DOS and NEXTSTEP; choosing a serial mouse; calibrating your monitor.

34	FYI
	What's in NEXTSTEP Developer 3.1; new NEXTSTEP curriculum; changes in NeXT Support; how to reach NeXT.

CREDITS AND LEGAL MATTER

Editorial
Editor: Cynthia Closkey
Copy editors: Helen Casabona, Gary Miller

Design and production
Production editor: Adrienne Wong
Designers: Nancy Serpiello, Jeff Yaksick
Printer: A & a Digital Graphics

Contributions
Janet Coursey, Kevin Dang, Peter Graffagnino, Rick Jackson, Dave LaVallee, Ellen Leeb, 
Marc Majka, Cathy Novak, Dan Peknik, Sam Streeper, Jan Tyler, Jim Walsh, Matt Watson, Terry Williams

Technical reviews
Josh Doenias, Brad Green, Bassanio Law, Alan Marcum, Scott Mattoon, Aaron Morse, 
Dan Peknik, Kathy Walrath, Terry Williams

Special thanks
Heidi Bolen, Eric Larson, Roy West

Colophon
NEXTSTEP In Focus is designed, written, and produced with NEXTSTEP. Proofs are printed on a NeXT 400 dpi Laser Printer. Final pages are transferred via a NeXT 2.88MB floppy disk to film using NeXT computers and an electronic image setter.

About NEXTSTEP In Focus
NEXTSTEP In FocusÐSupport Bulletin for Users and System Administrators is a quarterly technical journal published by NeXT. It provides timely technical information to system and network administrators and users, to help you better support your NeXT network or user community and to let you make the most of NEXTSTEP.

Each subscription issue includes a floppy disk that contains an electronic version of the bulletin. The disk can be used with the Digital Librarian application to access information on specific topics by searching for keywords.

To subscribe to NEXTSTEP In Focus or inquire about subscriptions, please use the order form in SubscriptionForm.ps.

Copyright ã 1993 NeXT Computer, Inc. Allrightsreserved.

We at NeXT have tried to make the information contained in this publication as accurate and reliable as possible. Nevertheless, NeXT disclaims any warranty of any kind, whether express or implied, as to any matter whatsoever relating to this publication, including without limitation the merchantability or fitness for any particular purpose. NeXT will from time to time revise the software described in this publication and reserves the right to make such changes without obligation to notify the purchaser. In no event shall NeXT be liable for any indirect, special, incidental, or consequential damages arising out of purchase or use of this publication or the information contained herein.

Restricted Rights Legend: Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 [or, if applicable, similar clauses at FAR 52.227-19 or NASA FAR Supp. 52.227-86]. 

NeXT, the NeXT logo, NEXTSTEP, the NEXTSTEP logo, Application Kit, Database Kit, Digital Librarian, NetInfo, NeXTanswers, and Workspace Manager are trademarks, and NeXTWORLD Expo is a service mark, of NeXT Computer, Inc. PostScript is a registered trademark of Adobe Systems Incorporated. Novell and NetWare are registered trademarks of Novell, Inc. NFS is a registered trademark of Sun Microsystems, Inc. UNIX is a registered trademark of UNIX Systems Laboratories. All other trademarks mentioned belong to their respective owners. 

Unless otherwise noted, all keyboard references are to U.S. keyboards.

For information on contacting NeXT, please see FYI.rtf.

NeXT Computer, Inc.
900 Chesapeake Drive
Redwood City, CA 94063
U.S.A.