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How to read .asl files?

I'm working on an iMac, OS 10.5.8. My log folder is full of asl files. I'm not a program-savvy person and need plain language. I've gotten as far as to put the many log files into a temp folder on my desktop. Now I see instructions to "read them at my leisure" but can't find out how to read these files to determine what's causing the rapid multiplication. How do I "read" these logs to determine where the problem lies?

Posted on May 16, 2012 1:19 PM

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Posted on May 28, 2012 8:10 AM

-Correction, in your Log folder, under Private/var/log/asl ; asl files are not associated with photoshop, they are Apple System Logs.

-I also have runaway (asl) files on my 10.5.8 Imac. Some are 80 gig +/-. and it fills my hard-drive. I got a program called Disk Inventory X that helped me graphically find these huge files. That way I can see them, right click on them and reveal them in a finder screen.

-After locating the offending files, if you right click the .asl file and say open with the utility "console" you can view the logs.

-Look for lines that repeat ludicrous times, then try to figure it out.

-I am no expert, but apparently I just found out my problem might be apple.launchd keeps trying to contact com.rim.BBLaunchAgent. I haven't owned a Blackberry for a few years now and already uninstalled their Desktop Manager, but some program remnant seems to be haunting my computer.

-If I determine the asl file(s) are unimportant, I delete them after entering my password. You have to then empty your trash to really free up hard-drive space.

-Good luck with your hunt.

7 replies
Question marked as Best reply

May 28, 2012 8:10 AM in response to Thatagirl

-Correction, in your Log folder, under Private/var/log/asl ; asl files are not associated with photoshop, they are Apple System Logs.

-I also have runaway (asl) files on my 10.5.8 Imac. Some are 80 gig +/-. and it fills my hard-drive. I got a program called Disk Inventory X that helped me graphically find these huge files. That way I can see them, right click on them and reveal them in a finder screen.

-After locating the offending files, if you right click the .asl file and say open with the utility "console" you can view the logs.

-Look for lines that repeat ludicrous times, then try to figure it out.

-I am no expert, but apparently I just found out my problem might be apple.launchd keeps trying to contact com.rim.BBLaunchAgent. I haven't owned a Blackberry for a few years now and already uninstalled their Desktop Manager, but some program remnant seems to be haunting my computer.

-If I determine the asl file(s) are unimportant, I delete them after entering my password. You have to then empty your trash to really free up hard-drive space.

-Good luck with your hunt.

May 16, 2012 9:48 PM in response to sig

Thank you sig. I actually did quite a bit of googling after I tried double clicking a file and being alerted that photoshop seemingly couldn't open it. However, I didn't google "what is .asl". I googled "how to read asl files" and such things. Silly me. Now that I know that photoshop definitely is the way to go, I will go back again and try to coerce it to open the files for me.

May 28, 2012 7:29 PM in response to Thatagirl

See the green box in OSX Log Files.


If you have lots of asl files, you probably also have lots of system.log (and archived system.log) files. Delete most of the asl files, as detailed there, since you can't read them.


If you have a large system.log file, see the tan box to open it with the Console app. See the blue box to decipher it, and how to deal with some common types of problems you may find there.


If in doubt, copy and post a small sample here.


You can delete the archived system log files if you need the space, but they should be "rotated" automatically, per the last paragraph in the green box.

May 29, 2012 8:12 AM in response to clintonfrombirmingham

The asl files in /private/var/log/asl are used by Apple's aslmanager (Apple System Log data store file manager). They are supposed to be removed after a week, so there's no problem doing that manually, per the link in my earlier post.


See http://developer.apple.com/library/mac/#documentation/darwin/reference/manpages/ man8/aslmanager.8.html

How to read .asl files?

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