The often overlooked Xcode FileMerge app lets you spot what's changed between two files. Here's how to spot the differences using the tool. Most developers of Apple software are familiar with Apple's ...

Editor’s note: The following review is part of Macworld’s GemFest 2012 series. Every weekday from mid June through mid August, the Macworld staff will use the Mac Gems blog to briefly cover a favorite ...

You often may need to compare one version of a file to an earlier one or check one file against a reference file. Linux provides several tools for doing this ...

Unix systems provide numerous ways to compare files. The most common way to verify that you have received or downloaded the proper file is to compute a checksum and compare it against one computed by ...