Defrag command line switches
If you want to schedule the defrag of your HDD, then these command line switches are available.
DEFRAG :
- drive: - Drive letter of the disk you want to defrag
- /all - Defrag all local, non-removable drives
- /F - Defrag files and free space
- /U - Defrag files only
- /Q - Defrag free space only
- /concise - Display the Hide Details view
- /detailed - Display the Show Details view
- /noprompt - Immediately starts Defrag
- /Sageset:x - Used to create a profile (x is a number from 0-65535)
- /Sagerun:x - Used to execute a created profile (x is a number from 0-65535)
More Info MS KB155326