D - Definitions
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D
defragmentation
Defragmentation is the process of locating the noncontiguous fragments of data into which a computer file may be divided as it is stored on a hard disk, and rearranging the fragments and restoring them into fewer fragments or into the whole file.
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Directory Services Restore Mode (DSRM)
Directory Services Restore Mode (DSRM) is a Safe Mode boot option for Windows Server domain controllers.
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diskpart (Disk Partition Utility)
Diskpart is a command line utility in Windows operating systems (OSs) that is used to manage disks, partitions, and volumes.
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domain controller
A domain controller is a type of server that processes requests for authentication from users within a computer domain.
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dynamic link library (DLL)
A dynamic link library (DLL) is a collection of small programs that larger programs can load when needed to complete specific tasks.