We have posted the second installment of Ted Landau's guide to Inivisble Files in Mac OS X. An excerpt: "The most common methods that OS X uses to determine if a file or folder should be invisible of ...

A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

If you have ever worked with computer graphic images, whether they be from digital cameras, found on the web, or you create them yourself, then you know there are a lot of image file formats that are ...