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Analyse Disk Fragmentation in Windows Vista

In Windows XP you had the option to analyse a disk drive you wished to defragment without carrying out a full disk defragmentation. Looking at the Windows Vista Disk Defragmenter GUI at face value I thought this feature was left out. After some research, I found that this  this feature has been included but you will be forgiven for not knowing where it is. Fortunately, using the command line tool does allow you to analyse a drive. It is as simple as typing the following:

1) Open up Command Line tool.

2) Type the following: defrag –a <disk drive letter>

3) Press enter and you will see the following:

Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

C:\Users\Surinder>defrag -a c:
Windows Disk Defragmenter
Copyright (c) 2006 Microsoft Corp.

Analysis report for volume C:

    Volume size                         = 298 GB
    Free space                          = 236 GB
    Largest free space extent           = 136 GB
    Percent file fragmentation          = 1 %

    Note: On NTFS volumes, file fragments larger than 64MB are not included in the fragmentation statistics

    You do not need to defragment this volume.

Neato!!

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