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Application Database Files
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| bet | 6/20 | | Sana | 30.03.2021 | | Hajmi | 261.5 Kb. | | #13773 |
These technologies depend on—and are largely indistinguishable from—the application database files the operating system uses to interact with applications during their installation or operation. Aside from a quick application check routine in the loader, the application compatibility infrastructure itself lies outside of core operating system components like the kernel. It is invoked only when the loader’s initial database query indicates that it is needed. This obviates the need for special compatibility code paths within the APIs themselves that may only be needed for one application. The compatibility fix support is not intrusive and does not significantly affect the performance of the operating system or installed applications.
The application database files are as follows:
MigDB.inf, which is used to support migration from Windows 95–, Windows 98–, and Windows Me–based systems. This file contains matching information and flags applications that are incompatible or require user intervention prior to system upgrade.
NTCompat.inf, which contains the same kinds of information as MigDB, but is used to support upgrades from Windows NT 4.0– and Windows 2000–based systems.
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