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JkDefrag 3.33

EL1TE   on 23 December 2007 - 19:09 · 17 comments & 12475 views

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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. JkDefrag is based on the standard defragmentation API by Microsoft, a system library that is included in Windows 2000, 2003, XP, and Vista. All defragmenters are based on this API, including commercial defragmenters. JkDefrag is therefore very solid and there is no risk of losing data. You can stop the program at any time, it will finish the current file in the background. If your disks use NTFS then you're even safe when the computer crashes in the middle of defragging. Nevertheless, it's still a good idea to backup before defragmenting, just like with other defragmenters, because the heavy use of the harddisk may trigger a hardware fault.

What's New:
  • Fixed a bug in the Windows version that for some users caused the display of the diskmap to get stuck.
  • Fixed a bug in the forced-fill optimization that caused the program to skip fragments that were left by filling a gap with a part of the fragment.
  • If the volumename of a disk cannot be determined then the program will now fallback to using the mountpoint of a volume to open a handle.
  • If the user specifies a short input mask without a wildcard, for example "C:" or "C:", then the input mask is rewritten as "C:*".
  • Fixed a bug where the special "DisableDefaults" spacehogs mask only disabled the masks, but not the "Files bigger than 50 megabytes"" and "Files not accessed in the last month" criteria.
  • Bundled some language-specific SpaceHogs masks into "?:*Installshield Installation Information*".
  • Moved the "Volume ID" message for FAT disks from debug level zero to 6.
Download JkDefrag 3.33: 32-Bit Version | 64-Bit Version | Sources
Screenshot: >> Click here <<
Link: Home Page | Official Forum

Post a comment · Send to friend Comments · There are 17 additional comments
#1 X'tyfe on 23 Dec 2007 - 19:26
nice thanks for the heads up
#2 +hayc59 on 23 Dec 2007 - 20:56
the best!! thanks
(1 reply) #3 illz55 on 23 Dec 2007 - 21:06
Far from the best. Good for free defragmentation software, but PerfectDisk is my favourite overall.
#3.1 ThaCrip on 23 Dec 2007 - 21:15
@ illz55 ... your right in a way, cause technically i think perfectdisk does a better job, BUT the difference is minimal in real world performance and it if takes perfectdisk much longer to do a full defrag then whats the "overall" better defrag program? ... i would have to lean more towards JKDefrag.

cause once i realized this and stoped obsessing over defraging the hard drive etc... i use JKDefrag as my main defraging program now.... as it's "FREE" and does a solid job in terms of quick defrag with maximum performance without taking a year to defrag and less HDD wear etc in general.

p.s. the first use of JKDefrag it's recommend to use the "-a 9" (without the " ) switch which takes a while to defrag, then after that you just use the default settings for fast defrags

Last edited by ThaCrip on 23 Dec 2007 - 21:16
(3 replies) #4 hardgiant on 23 Dec 2007 - 21:21
AusLogic Degrag if you want something prettier.
#4.1 th3rEsa on 23 Dec 2007 - 23:16
So you're sitting all day there, watching your defrag tool while painting colorful graphics or sth?
#4.2 _MacGyver_ on 24 Dec 2007 - 01:28
It looks like every other defragger I've ever seen... in fact, JkDefrag is the only one that i've seen that looks a little bit different. And you don't have to waste time messing with settings. Run it. Leave. Come back. Done.
#4.3 Mike Frett on 24 Dec 2007 - 03:21
Quote - (th3rEsa said @ #4.1)
So you're sitting all day there, watching your defrag tool while painting colorful graphics or sth?


I do
(5 replies) #5 EL1TE on 23 Dec 2007 - 22:06
Does anyone know a link where we can see a round-up of Defrag Utilities?
#5.1 ThaCrip on 24 Dec 2007 - 00:42
for the most part it's all personal preference if you ask me when is all said and done... cause like i was saying most commercial defrag programs offer more than this BUT i think the bottom line in real world performance there all pretty much the same so in other words you might as well get one that defrags "quick" .... especially once you can the SLOW defrag with JKDefrag ( the "-a 9" switch) and then after that u can just do the default defrag (just run the main jkdefrag.exe file) and your all set.

cause differences between a full defrag and a quick one (which is the default in jkdefrag) is MINIMAL in real world performance... probably fractions of a second (maybe a second ish tops most likely)
#5.2 Jeremy of Many on 24 Dec 2007 - 02:16
Quote - (EL1TE said @ #1)
Does anyone know a link where we can see a round-up of Defrag Utilities?


Working on it.

Last edited by Jeremy of Many on 24 Dec 2007 - 02:17
#5.3 +hayc59 on 24 Dec 2007 - 05:18
Quote - (EL1TE said @ #5)
Does anyone know a link where we can see a round-up of Defrag Utilities?

bottom of page
Contributed by other people
http://www.paehl.com/open_source/?JGDefragGUI
http://www.emro.nl/freeware/
#5.4 GreyWolfSC on 24 Dec 2007 - 05:48
Quote - (EL1TE said @ #1)
Does anyone know a link where we can see a round-up of Defrag Utilities?


The Great Defrag Shootout is a great read...
#5.5 EL1TE on 24 Dec 2007 - 10:49
Quote - (GreyWolfSC said @ #5.4)
Quote - (EL1TE said @ #1)
Does anyone know a link where we can see a round-up of Defrag Utilities?


The Great Defrag Shootout is a great read...

Thank you, I will read this today

Merry Christmas to all!

EDIT: Merry Christmas in over 350 Languages lol

Last edited by EL1TE on 24 Dec 2007 - 10:52
#6 -Hiroshi- on 24 Dec 2007 - 03:10
Yes! Nice, I've been working on trying to remember what the name of this defragger is called. Glad I decided to browse Neowin tonight. Good app.
#7 +hayc59 on 24 Dec 2007 - 05:18
fixed*
#8 sorlag on 24 Dec 2007 - 21:38
Really nice tool...
Also link the gui version

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