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S&H Computer System, Inc.

S&H Computer Systems launched its first software product in 1975 with the release of TSX, a multi-user, multi-tasking operating system for Digital Equipment Corporation PDP-11 computers. A few years later, TSX-Plus was released which took advantage of memory mapping facilities that were available on newer hardware platforms.  TSX-Plus was a huge success, selling over 20,000 copies in more than 25 countries around the world.   S&H was awarded patent number 4,642,756 for the innovative Adaptive Scheduling Algorithm&# --> Error: Use of undefined macro: #153 <-- 153; that was used in TSX-Plus.  Since then, S&H has had many successful products, including COBOL-Plus (a popular, full featured COBOL compiler and run-time system) and RTSort (ultra high performance disk sort program).

In 1989, S&H entered the PC market with TSX-32, a powerful 32-bit multi-user operating system for Intel '386-Pentium processors.   This was followed in 1994 by TSX-Online, a full ISP package including web server and browser, FTP, e-mail, Telnet, and support for hundreds of dial-in lines.

In 1997, S&H introduced News Rover, an automated Usenet news reader.  News Rover is already in use at tens of thousands of sites around the world.