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
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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.