Interactive Systems Corporation

Interactive Systems Corporation (styled INTERACTIVE Systems Corporation, abbreviated ISC) was a US-based <a href="/facts/Software_company/q5keu43g">software company</a> and the first vendor of the <a href="/facts/Unix/0pNL2seI">Unix</a> operating system outside <a href="/facts/AT%26T/y3Lo9uhk">AT&T</a>, operating from <a href="/facts/Santa_Monica,_California/A0Cyj3vy">Santa Monica, California</a>. It was founded in 1977 by Peter G. Weiner, a <a href="/facts/RAND_Corporation/zArfRxf9">RAND Corporation</a> researcher who had previously founded the <a href="/facts/Yale_University/KUdS6jt1">Yale University</a> computer science department and had been the Ph.D. advisor to <a href="/facts/Brian_Kernighan/oW3I7FWJ">Brian Kernighan</a>, one of Unix's developers at AT&T. Weiner was joined by Heinz Lycklama, also a veteran of AT&T and previously the author of a <a href="/facts/Version_6_Unix/ev0YCVb4">Version 6 Unix</a> port to the <a href="/facts/LSI-11/9HkGUzFn">LSI-11</a> computer.
ISC was acquired by the <a href="/facts/Kodak/zMnK74Cp">Eastman Kodak Company</a> in 1988,
which sold its ISC Unix operating system assets to <a href="/facts/Sun_Microsystems/VJ9EzEFd">Sun Microsystems</a> on September 26, 1991. Kodak sold the remaining parts of ISC to SHL Systemhouse Inc in 1993.
Several former ISC staff founded <a href="/facts/Segue_Software/crI5pTzW">Segue Software</a> which partnered with <a href="/facts/Lotus_Software/8k8vj9x2">Lotus Development</a> to develop the Unix version of <a href="/facts/Lotus_1-2-3/tnkvSG3M">Lotus 1-2-3</a> and with <a href="/facts/Peter_Norton_Computing/9NY5uW2j">Peter Norton Computing</a> to develop the <a href="/facts/Norton_Utilities/0bUUE67F">Unix version of the Norton Utilities</a>.

Interactive Systems Corporation open-in-new

Interactive Systems Corporation