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THEOS
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<p>THEOS, which translates from Greek as "God", is an <a href="/facts/Operating_system/8XTuvMh2">operating system</a> which started out as OASIS, a <a href="/facts/Microcomputer/ETW22UTv">microcomputer</a> <a href="/facts/Operating_system/8XTuvMh2">operating system</a> for small computers that use the <a href="/facts/Zilog_Z80/Jeqe2h55">Z80</a> processor. When the operating system was launched for the <a href="/facts/IBM_Personal_Computer/AT/YEVHpWKF">IBM Personal Computer/AT</a> in 1982, the decision was taken to change the name from OASIS to THEOS, short for <i>THE Operating System</i>. </p>