| Environmental Subsystems (Cont.) |
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| • | 16-Bit
Windows Environment: |
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| – | Provided
by a VDM that incorporates Windows on |
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| Windows |
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| – | Provides
the Windows 3.1 kernel routines and |
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| subroutines
for window manager and GDI functions |
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| • | The
POSIX subsystem is designed to run POSIX |
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| applications
following the POSIX.1 standard |
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| which
is based on the UNIX model |
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| • | OS/2
subsystems runs OS/2 applications |
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