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 ...

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 ...

Beyond Compare is a file compare and directory sync utility wrapped in one. Beyond Compare Standard edition ($30) is a powerful utility for tracking down differences between files and folders. Its ...

Comparing bodies of text is not something most folks would want to do, ever. However, wouldn’t it be great to have a tool that makes life easier for those who do this regularly? We agree, and we’re ...

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 ...

The Linux comm command makes it easy to compare a couple text files and determine if they both contain the same lines -- whether the file contents are sorted or not. The comm command on Linux systems ...

The diff, comm, cmp, and colordiff commands are among the many ways to compare text files on a Linux system. There are numerous ways to compare text files on a Linux system from the command line. This ...

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 ...

If you have two similar Excel spreadsheets, or different versions of the same original spreadsheet, it can be useful to compare the Excel files and see how they differ. If the spreadsheets are short, ...

Here is a complete guide showing different methods to compare two folders on your Windows 11/10 PC. If you have two or more identical folders and want to find out the differences between the two, this ...