| DOS | ||
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DR DOS Free DOS meer DOS |
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| Windows | ||
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Microsoft Windows |
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| Windows Compatible | ||
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ReactOS |
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| Linux | ||
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meer Linux |
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| Sun | ||
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Sun Cobalt OS Sun Solaris meer Cobalt meer Solaris |
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| BeOS | ||
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Be Incorporated Haiku OS Zeta (YellowTAB) meer BeOS |
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| Novell | ||
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Netware |
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| OS/2 | ||
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OS/2 Warp |
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| Diverse (commercieel) | ||
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Petros QNX RTOS Sky OS |
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| Diverse (open source) | ||
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Apple Darwin AtheOS MenuetOS THEOS - Corona V2 OS |
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| Museum | ||
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CP/M (unofficial) |
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| Portal | ||
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The OS Files |
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