You can check out the manual entry for diff to easily use it. It compares files line by line and outputs the difference between them. Diff is simple and easy to use, it comes pre-installed on most Linux distributions. I like to start with the original Unix command-line tool that shows you the difference between two computer files. There are several file comparison tools that you can use on Linux, and in this review, we shall look at some of the best terminal based and GUI diff tools you can take advantage of while writing code or other text files. 9 Best Linux File Diff or Comparison Tools This description was born out of a reference to the output of diff, the well known Unix command-line file comparison utility. When you compare two computer files on Linux, the difference between their contents is called a diff. See our information on translating WinMerge into your own language.While writing program files or normal text files, programmers and writers sometimes want to know the difference between two files or two versions of the same file. In addition, WinMerge is translated into a number of different languages. WinMerge is an open source project, which means that the program is maintained and developed by volunteers. If you need support, look at our support page for more information how you can get it. WinMerge 2.16.18 is the latest stable version, and is recommended for most users. Online manual and installed HTML Help manual.Shell Integration (supports 64-bit Windows versions).Creates patch files (Normal-, Context- and Unified formats).Shows CSV/TSV file contents in table format.Can highlight the differences with blocks.Can show folder compare results in a tree-style view.Compares one folder or includes all subfolders.Fast compare using file sizes and dates.Regular Expression based file filters allow excluding and including items.Location pane shows map of files compared.Difference pane shows current difference in two vertical panes.Flexible editor with syntax highlighting, line numbers and word-wrap.Visual differencing and merging of text files.

Handles Windows, Unix and Mac text file formats.Supports Microsoft Windows XP SP3 or newer.In addition, WinMerge has many helpful supporting features that make comparing, synchronising, and merging as easy and useful as possible: General WinMerge can be used as an external differencing/merging tool or as a standalone application. WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. See the screenshots page for more screenshots. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle. WinMerge is an Open Source differencing and merging tool for Windows.

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