Vimdiff Command on Linux (Check Differences) [Basic Guide]

A tool little known to programmers that can help a lot in finding problems in the code is the vimdiff command on Linux.

This tool allows you to open two files with source code at the same time and makes comparisons, indicating which line and what is different between the files.

This is very useful for verifying differences between one development code and another in production, especially in interpreted languages, JSON files, XML, etc.

To use vimdiff, the command is simple: just indicate which two files are to be compared:

$ vimdiff arquivo1.php arquivo2.php

The result is a screen with two windows, with the different lines highlighted:

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Uirá Endy Ribeiro

Uirá Endy Ribeiro is a Software Developer and Cloud Computing Architect with a 23-year career. He has master's degrees in computer science and fifteen IT certifications and is the author of 11 books recognized in the IT world market. He is also Director at Universidade Salgado de Oliveira and Director of the Linux Professional Institute - LPI Director's Board.