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JavaOS
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<p>JavaOS is a discontinued <a href="/facts/Operating_system/8XTuvMh2">operating system</a> based on a <a href="/facts/Java_virtual_machine/l9Nzrsun">Java virtual machine</a>. It was originally developed by <a href="/facts/Sun_Microsystems/VJ9EzEFd">Sun Microsystems</a>. Unlike <a href="/facts/Microsoft_Windows/bwhAhuSL">Windows</a>, <a href="/facts/MacOS/Y93vVpTm">macOS</a>, <a href="/facts/Unix/0pNL2seI">Unix</a>, or <a href="/facts/Unix-like/YAKrAxzd">Unix-like</a> systems which are primarily written in the <a href="/facts/C_/Ky2No763">C</a> or <a href="/facts/C%2B%2B/Et0F2qn9">C++</a> programming languages, JavaOS is primarily written in <a href="/facts/Java_/9ScgFyAL">Java</a>. It is now considered a <a href="/facts/Legacy_system/YvYjMcCz">legacy system</a>. </p>