Can anyone recommend a duplicate file finder application for OS10.6 systems? All the apps I find on the App Store are only for 10.7 and later. I don't know how to filter a search by operating system (if this is even possible).

Question

Can anyone recommend a duplicate file finder application for OS10.6 systems?  All the apps I find on the App Store are only for 10.7 and later.  I don't know how to filter a search on the App Store by operating system (if this is even possible).  I currently have a MacBook running OS10.6.8.   If you can recommend an app,  please post the URL.     Would appreciate any helpful suggestions....  
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Answer 1

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Click the Clear Display icon in the toolbar. Then try the action that you're having trouble with again. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.