Topics: Operating Systems : Closed Source

This category lists operating systems (OSs) based on closed source code. Some such OSs have open source variants (BeOS, DOS, Unix, VMS), or straddle these two licensing models (QNX).




IBM IBM View: News Rack - Sub-Categories - DMoz
This category holds pointers to directory categories on operating systems (OSs) made by IBM.
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Unix Unix View: News Rack - Sub-Categories - DMoz
This category holds pointers to directory categories of Unix operating systems (OSs) that are not open source or free (source code is publicly available), but instead are closed source (source code is kept private and/or secret).
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