Windows Disk Defragmenter
Copyright (c) 2003 Microsoft Corp. and Executive Software International, Inc.
Usage:
defrag <volume> [-a] [-f] [-v] [-?]
volume drive letter or mount point (d: or d:\vol\mountpoint)
-a Analyze only
-f Force defragmentation even if free space is low
-v Verbose output
-? Display this help text
for example if you want to defrag Dirve D: and analyze onlydefrag D: -a
result is show below:
Windows Disk Defragmenter
Copyright (c) 2003 Microsoft Corp. and Executive Software International, Inc.
Analysis Report
51.16 GB Total, 14.92 GB (29%) Free, 5% Fragmented (10% file fragmentation)
You do not need to defragment this volume.
