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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.

 
 

Article 1 of 3 in series

A Mac User's Guide to the Unix Command Line, Part 1

Lesson 1: First Steps with the Command Line When Apple announced the release of Mac OS X, many Mac users were stunned: here was a new operating system based on the venerable Unix, which, they feared, would call into question the Mac's legendary ease-of-useShow full article

Article 2 of 3 in series

A Mac User's Guide to the Unix Command Line, Part 2

Lesson 2: Navigating the File System In the first installment of this series, we looked at the basics of using the Terminal to access Mac OS X's Unix coreShow full article

Article 3 of 3 in series

A Mac User's Guide to the Unix Command Line, Part 3

Lesson 3: Moving, Copying, and Deleting Files and Directories In the previous two installments in this series, we looked at the basics of using the Terminal to access the Unix command line at the heart of Mac OS X, and then at how to use the Terminal to move around your Mac's file systemShow full article

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