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DESCRIPTION
AppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can't load the GUI, or don't have a startup CD handy. AppleJack runs in Single User Mode and is menu-based for ease of use.

Using AppleJack, you can repair your disk, repair permissions, validate the system's preference files, and get rid of possibly corrupted cache files. In most cases, these operations can help get your machine back on track. The important thing is that you don't need another startup disk with you. All you need to do is restart in Single User Mode (SUM), by holding down the command and s keys at startup, and then typing applejack, or applejack auto (which will run through all the tasks automatically), or applejack auto restart (which will also restart the computer automatically at the end of the process).

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WHAT'S NEW
Version 1.5:
  • Leopard compatibility! (Thanks Steve Anthony!)
  • Improved console output suppression from launchd processes.
  • Improved the process of finding valid user directories, drawing on netinfo, /etc/passwd, and /Users directory as needed. Users can now be chosen by user id or user name, as well as the old method of entereing the home directory.
  • Logging is more complete
REQUIREMENTS
Mac OS X 10.4 - 10.5 or later.
RELATED LINKS
  • If you find this app useful, please consider donating. There is a banner at the bottom of the developer page labeled Support this project. You may click on that to donate. Thanks.

  • If you run into trouble with AppleJack, please look through the help forum first. If you can't find your issue addressed there, look through the support requests, and if your issue isn't addressed there, please file a support request of your own, and I'll get back to you as soon as possible.

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SCREENSHOT

Developer:The Apotek
Downloads:372,497
  - Version d/l:125,655
Utilities:System
License:Free
Date:31 Aug 2008
Platform:PPC/Intel
RATING
*****

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AppleJack User Reviews (128 posts)Write A Review
sort: smiles | time
Oct 9 2009

DKLAWLESS  AJ Users (all thousands of you),

Having used this application for years I can recall numerous times that this untility has save me countless hours of work. I just visited the developers site to find out he is in the same pinch as he was with the move to OS10.5. He is strapped for money to develop the update to Snow Leopard .

Listed as FREEWARE he will accept donations. Please consider a donation to help him. It won't take much to fund a solution. EX: an external hard drive and Snow Leopard. The link is: .

R/ Deaner  
(Version 1.5)

praisebury
+12
[ 1 Reply - Reply ]
Replies:
Oct 23 2009

PEDRO FARDILHA  Good point.

Count me in.  
(Version 1.5)

praisebury
+2

Aug 19 2009

FLASH1296  Applejack is NOT compatible with OS 10.6 "Snow Leopard"  
(Version 1.5)

praisebury
+12
[ 5 Replies - Reply ]
Replies:
Aug 27 2009

UMAROMC  Thanks for the heads up!  
(Version 1.5)

praisebury
0
Aug 30 2009

DONMONTALVO  ...yet :D

Don  
(Version 1.5)

praisebury
+3
Aug 31 2009

SULCALIBUR  Yeah I found this out just before. I guess they'll update it soon enough or at least I really hope they do :)  
(Version 1.5)

praisebury
+2
Sep 14 2009

ASMEURER  Hopefully it won't be too long. It took several months to get out a Leopard version, as I recall...  
(Version 1.5)

praisebury
0
Sep 23 2009

NATE K  I just tried it in Snow Leopard. Everything appeared to run properly, with the exception of permissions repair.  
(Version 1.5)

praisebury
+1

Sep 16 2008
*****

GIGAFLOPS  It's one of the most useful tools i've ever used on my mac. It's easy, lightweight and very intuitive! Impossible to be much better than this.

Thanks for sharing it.  
(Version 1.5)

praisebury
+5
[ Reply ]
Sep 12 2008
*****

JEEPEE  Works great under Leopard. Thanks for making it!!!  
(Version 1.5)

praisebury
+5
[ Reply ]
Sep 8 2008
****.

FIXM COMPUTER  FINALLY! I have been waiting some time for a Leopard compatible version of this. Finally it has arrived! And it seems to work great!  
(Version 1.5)

praisebury
+4
[ Reply ]
Sep 1 2008
*****

CALLE  Applejack is the only thing I've been missing since pre-Leopard. Thanks a lot.  
(Version 1.5)

praisebury
+3
[ Reply ]
Sep 1 2008
*****

DONMONTALVO  When you have several dozen MacBook Pro users traveling the world, and remote offices without local support staff, this is one essential tool.

Don  
(Version 1.5)

praisebury
+3
[ Reply ]
Sep 1 2008
*****

JOSELU  AppleJack is finally back!!

I've long been waiting for an update to work with Leopard and it's finally here! I just installed and tried running "applejack auto restart" on my 1.33GHz iBook G4 and it works flawlessly as it used to on 10.4.

Big shout out to the developer! THANK YOU!  
(Version 1.5)

praisebury
+3
[ Reply ]
Apr 12 2009
*****

SOUNDFREAK  This soft actually fixed my boot volume, where Onyx and Apple Disk Utility failed.

This is a great piece of soft !! A MUST-HAVE that should be included in any OS X machine.

Thanks !!

Macbook 2.4GHZ - OS 10.5.6  
(Version 1.5)

praisebury
+2
[ Reply ]
Jan 14 2009
*****

KRYSIA  This is a small, fabulous, and indispensable piece of software. It repaired what Onyx could not. It repaired what Apple's Disk Utility could not. It repaired what Apple's Disk Utility could not from a different startup (original) disk could not.

My disk is in the Green again, and it was so incredibly easy to do. Followed their instructions.

After initial restart, Safari had odd behaviors: I'd click the X to close a tab & nothing would happen. I'd go to push the scrollbar up or down after just doing so, & it wouldn't work unless I clicked on its background first. However, their instructions in the read-me file stated there might be some weirdness, and that a restart of the computer should fix it. I restarted, and *knock wood* so far, zero problems. Ran Onyx; needed to repair disk. Ran Disk Utility from a startup disk, and this time, the one thing left that was wrong with it after Applejacking it was fixable. Disk Repaired. To be safe, I restarted one more time, ran Onyx, disk is fine. Hooray!

Very happy over here.

Definitely donated.  
(Version 1.5)

praisebury
+2
[ Reply ]
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