The September issue of Linux Journal (#41) will be printed 21 July 1997 and will be mailed from the printers in Post Falls, Idaho on 28 July 1997. TABLE OF CONTENTS LINUX JOURNAL SEPTEMBER 1997 FEATURES Robocar: Unmanned Ground Robotics Students at the University of Colorado at Boulder use Linux on two networked computers which provide the brains for their entry in a robotic vehicle race. by Kerry Kruempelstaedter Linux at Holt Public Schools WAN links and Linux proxy servers form the basis of a computer network for this Michigan public school system. by Mark Lachniet A Linux-based Lab for Operating Systems and Network Courses Computer science students at Auburn University learn about operating systems and networking using Linux in the computer lab. by Richard Chapman and W. Homer Carlisle NEWS & ARTICLES Programming with the XForms Library, Part 3 by Thor Sigvaldason Using Linux in a Training Environment by B. Scott Burkett Packet Radio Under Linux by Jeff Tranter WWWsmith At the Forge: Speaking SQL A basic introduction to the integration of CGI and SQL programs. by Reuven M. Lerner Building an ISP Using Linux and an Intranet Practical tips on starting an ISP or create an Intranet using Linux and a dedicated 28.8 connection, based on the author's own experience as the founder of a small ISP in Baltimore. by Eric Harlow COLUMNS Letters to the Editor From the Editor From the Publisher Stop the Presses Kernel Korner: The sysctl Interface Linux Apprentice: Introduction to Named Pipes Linux Means Business: Linux for Embedded Systems System Administration: Quota: Managing Your Disk Space Product Review: Empress and Just logic/SQL Book Review: Beginning Linux Programming Book Review: Linux Configuration and Installation Product Review: Megahedron Product Review: Solid Server The Best of Tech Support New Products DIRECTORIES Consultants Directory Advertisers Index Marketplace UPCOMING Remote Procedure Calls xmotd: Writing Free Software Kernel-Level Exception Handling Linux Journal is carried by some newsstands (including all Computer Literacy stores in Silicon Valley) and is delivered to newsstands by a newsstand distributor. If you know a place that sells magazines that you feel should stock LJ, send e-mail to dist@ssc.com or have them call SSC at 206-782-7733. Getting LJ on newsstands is one of the best ways we can show the non-Internet crowd that Linux is for real. Subscriptions are: US$22/year U.S. US$27/year Canada US$32/year Foreign US$39/2 years U.S. US$49/2 years Canada US$54/2 years Foreign Linux Journal P.O. Box 85867 Seattle, WA 98145-1867 Fax: +1 206-782-7191 Tel: +1 206-782-7733 E-mail: subs@ssc.com URL: http://www.ssc.com/lj/ Our public key (for encrypting your credit card number) is available by fingering info@ssc.com. Subscriptions begin with the *upcoming* issue. Back issues are available (except for Issues #1, #3, #4, #5, #7 and #30, we're out) for $5 each, or $7 each non-North American airmail. ***Note: All funds should be in U.S. dollars*** Other questions/comments can be sent to: linux@ssc.com