Defrag

This command controls Windows Defragmenter. For more information about this utility, see Chapter 20, "Disks and File Systems."

Syntax

defrag [drive: | /all] [/F | /U | /Q] [/noprompt] [/concise | /detailed]

Parameters

drive:

Drive letter of the disk to be optimized.

/all

Defragment all local, nonremovable drives.

/F

Defragment files and free space.

/U

Defragment files only.

/Q

Defragment free space only.

/concise

Display the Hide Details view (default).

/detailed

Display the Show Details view.

/noprompt

Unattended mode; do not stop and display confirmation messages.