DDK Glossary - F

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Far call
Code that calls from one segment into another segment.
fillet
An arc that is tangential to the end points of two adjacent lines. See also polyfillet.
filter adapter device driver
A special class of adapter device drivers that do not manage the hardware directly, but monitor the stream of commands between a device manager and an adapter device driver. See Device Manager and adapter device driver.
first-party DMA adapter
See bus master adapter.
flag
A characteristic of a file or directory that enables it to be used in certain ways. See also archive flag, hidden flag, and read-only flag.
flat address
See linear address.
frame styles
Standard window layouts provided by the Presentation Manager.
freeze and thaw services
Functions that prevent a DOS session from executing (VDHFreezeVDM) until the matching thaw function (VDHThawVDM) is called. The freeze occurs when the specified DOS session leaves kernel mode.