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Turn Off Filename Extension Warning

In Leopard, Apple fixed an annoying aspect of working with the Finder in Tiger. Previously, if you changed a file's extension, the Finder prompted for confirmation. But since no one has ever accidentally changed a filename extension, Apple thankfully added an option to turn that warning off in the Leopard Finder's preferences. Choose Finder > Preferences, and in the Advanced screen, deselect Show Warning Before Changing an Extension.



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Looking for a Better Computer Encyclopedia?

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David Pogue of the New York Times writes about the Computer Desktop Encyclopedia, an online encyclopedia of computer terms that has lost corporate licenses in the wake of Wikipedia’s popularity. In response, creator Alan Freedman has now made his encyclopedia free at If you’re researching a computer term, give it a try, since its definitions can be better written and more comprehensible than Wikipedia’s sometimes torturous text.favicon follow link


Comments about Looking for a Better Computer Encyclopedia?
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Gilbert ROTH  An apple icon for a TidBITS Contributor 2013-06-22 03:43
Indeed, an interesting dictionary, but there is no download version for Mac OS and the iPhone version costs $ 2.99. There is a free access only to the browser version.