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What is a Subsystem (Subsystem)?

Time:02-28

In the PE IMAGE_OPTIONAL_HEADER head member of the Subsystem

CodePudding user response:

Look at this, can consult Hou Jie "mystery" Windows 95 system programming, the facade with related instructions:
WORD Subsystem
The executable file is used as the user interface subsystem, WINNT. H defines the following constants:
NATIVE=1 don't need a subsystem (such as drivers)
WINDOWS_GUI=2 in Windows GUI subsystems execute
WINDOWS_CUI=3 subsystem in the Windows character mode (that is, the console application)
OS2_CUI=5 in OS/2 character mode subsystem (or OS/2, 1 x applications)
POSIZ_CUI=7 subsystems in Posix character mode

CodePudding user response:

reference 1/f, zara's reply:
look at this, may follow Hou Jie "mystery" Windows 95 system programming, the facade has related description:
WORD Subsystem
The executable file is used as the user interface subsystem, WINNT. H defines the following constants:
NATIVE=1 don't need a subsystem (such as drivers)
WINDOWS_GUI=2 in Windows GUI subsystems execute
WINDOWS_CUI=3 subsystem in the Windows character mode (that is, the console application)
OS2_CUI=5 in OS/2 character mode subsystem (or OS/2, 1 x applications)
POSIZ_CUI=7 subsystems in Posix character mode to perform


These values in Microsoft word document, but this has not said what is subsystem

CodePudding user response:

Ah? Values 1/2/3 also look not to understand, at least two-thirds of the two should be know, I understand is the running environment, your program is driven, or graphics window class, or a command line window; Environment, a system for program prepared by the operation are also different, so we want to distinguish,

CodePudding user response:

The
reference zara's reply: 3/f
? Values 1/2/3 also look not to understand, at least two-thirds of the two should be know, I understand is the running environment, your program is driven, or graphics window class, or a command line window; Environment, a system for program prepared by the operation are also different, so we want to distinguish,


What's the use of this can only see about it, and can not accurately know the definition of it,
I understand is the "micro environment" or "micro system", which specifies a procedure and system communication mechanism, but can't find it
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