Tenberry Software (previously Rational Systems) was a software company notable for the development of DOS/16M and
DOS/4G, which were the first industry standard
DOS extender
A DOS extender is a computer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in real mode.
DOS extenders were initially developed ...
s.
See also
*
Phar Lap - competitor
References
External links
Tenberry Software
Software companies of the United States
Companies based in Phoenix, Arizona
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