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Chapter 9 Using ThinApp Utilities and Tools
User mode drivers do not appear in the above list.
File system and filter drivers:
Cdfs Cdfs
DfsDrive DfsDriver
Fastfat Fastfat
FltMgr FltMgr
MRxDAV WebDav Client Redirector
MRxSmb MRxSmb
. . .
File system drivers and file system filter drivers are special types of kernel mode drivers that deal with the various file systems installed on the computer. Examples include the FAT, NTFS and CDFS file systems. File system drivers stand between user applications and the hardware drivers that talk directly to the drives. They implement a file system “on top” of the bare hardware layer of a drive (tracks, sectors, cylinders, etc.). For example, a file systemʹs directory and subdirectory structures are implemented by file system drivers.
Filter drivers normally sit “on top of” file system drivers, meaning that they see file system requests before the file system driver does. Filter drivers can filter a filesys operation to do something other than what was originally intended. Specifically, they can reject, modify, or pass an operation through unmodified. Common examples of filter driver types include compression, encryption, quota monitoring, etc.
Adapter drivers:
0 adapter drivers
Adapter drivers are special types of kernel mode device drivers that communicate directly with hardware adapters. As such, they use direct I/O and/or DMA machine instructions. Only kernel mode drivers are allowed to execute these types of privileged machine instructions.
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