Windows provides a command line utility ‘defrag‘ to defragment disks. The usage of this command is explained below with examples.
To run defragmentation on a drive we need to run the below command.
defrag drivename
For example, to defragment C: drive the command we should run is defrag C:
To just analyze the gains of defragmentation without actually performing defragmentation, we need to add -a switch.
For example to do defragmentation analysis for C: drive we need to run the below command.
defrag -a C:
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I liked the GUI of the XP defrag tool. Atleast it gave a clear picture of the defrag progress and task completed etc. I think the later versions lack as good an interface and though they are supposed to be 'automatic', its far from a completely automatic background defrag.