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 JkDefrag is a disk defragmenter and optimizer for Windows 2000/2003/XP/Vista/2008/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.
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: JkDefrag64.exe
Windows version. This is what most people will use. No installation or configuration necessary, it's ready to run and will automatically process all the mounted, writable, fixed volumes on your computer JkDefragCmd64.exe
Commandline version. Specially designed to be run automatically in the background, or from administrator scripts. See the "Commandline" chapter below for a list of commandline options, and the "Frequently Asked Questions" on how to run it automatically with the Windows Scheduler. JkDefragScreenSaver64.scr + JkDefragScreenSaver64.exe
Screen saver version. Move (or copy) these two files to the "windows" folder on your harddisk (usually "c:\Windows\" or "c:\Winnt\"). It will automatically become visible in the list of screen savers as "JkDefrag screensaver" and can be used just like any other screensaver (right-click somewhere on your desktop and select Properties/Personalize, then select the Screen Saver tab).
Note: on Vista the screensaver only works with User Account Control turned off (see Control Panel, User Accounts, Turn User Account Control on or off).
Note: screen savers do not lengthen the life span of CRT and LCD monitors, contrary to popular belief. It is better to let the monitor be turned off by the Windows energy saving settings.
JkDefrag - 64bit software
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