defrag

Windows CMD · System · available in the simulator

What it does

Analyzes fragmentation and defragments a drive.

Syntax

defrag volumen | /c | /e [/a] [/o] [/u] [/v]

Options and parameters

• /A

  Analyzes fragmentation on the specified volume only.

  defrag C: /a
• /O

  Optimizes according to media type, HDD or SSD.

• /U

  Displays operation progress on screen.

• /V

  Displays verbose output with fragmentation statistics.

• /C

  Performs the operation on all volumes.

• /E

  Performs the operation on all volumes except those specified.

Usage examples

• defrag C:
• defrag C: /A
• defrag C: /O
• defrag C: /a

Related commands

• chkdsk
• chkntfs
• convert
• date
• diskpart
• dism