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Saved by 40 people (14 private), first by anonymouse user on 2006-12-04


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on 2006-12-27 by suscreative

Free defragment software

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Free (released under the GNU General Public License) disk defragment and optimize utility for Windows 2000/2003/XP/Vista/X64. Completely automatic and very easy to use, fast, low overhead, with two optimization strategies, and can handle floppies and USB disks/sticks. Included are a Windows version, a commandline version (for scheduling by the task scheduler or for use from administrator scripts), a screensaver version, a DLL library (for use from programming languages), and versions for Windows X64.

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JkDefrag is a disk defragmenter and optimizer for Windows 2000/2003/XP/Vista/X64. Completely automatic and very easy to use, fast, low overhead, with several optimization strategies, and can handle floppies, USB disks, memory sticks, and anything else that looks like a disk to Windows. Included are a Windows version, a commandline version (for scheduling by the task scheduler or for use from administrator scripts), a screensaver version, a DLL library (for use from programming languages), versions for Windows X64, and the complete sources.

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There is no "setup" or "install" and no configuration file. All you have to do is download the zip and unpack anywhere you like. The programs are ready to run, even from memory stick or cdrom. The zip contains the following 3 programs:

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  • Black: empty
  • Green: regular files, unfragmented
  • Dark green: spacehogs, unfragmented
  • Yellow: fragmented
  • Red: unmovable
  • White: busy
  • Pink: MFT reserved zone (NTFS only)
  • Gray: in use by unknown data

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    Tip: Cleanup old junk from your harddisk before running

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    Tip: Reboot before running JkDefrag.

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    Tip: Stop your real time virus scanner before running JkDefrag

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    Tip: Move the swap file to another volume, reboot, defragment, and move the swap file back. If you don't have a second volume then temporarily make the swap file small, for example 100Mb.

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    Commandline

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    Frequently asked questions

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    How to run JkDefrag at boot-time?
    It's very easy to run JkDefrag automatically in the background when the computer starts via the Windows Task Scheduler:
    • Start -> Control Panel -> Scheduled Tasks -> Add Scheduled Task
    • The wizard starts, click 'Next'.
    • Use the 'browse' button to select the 'JkDefragCmd.exe' program.
    • Select 'When my computer starts', click next.
    • Enter a userid/password with administrator privileges, click 'Finish'.
    Note: This will not defragment system files such as the page file. To do that see the "see also" chapter for a link to Pagedefrag, a free utility by Microsoft Technet (formerly SysInternals).

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