Having version control experience has become a majorly important part of developing software in the current job market. Version control is a method of recording changes to a single file or sets of files over time. Being able to record the changes enables developers to write code and create iterative changes without the fear of losing the previous working copy of the code. It makes it easy for large teams to work on the same code by 'checking it out' and 'checking it in' without the fear of overwriting someone else's changes. Because of this, several people can be working on the same code and then merge their changes back into the Master copy of the file.
One of the most popular version control systems is called Git. Git is a type of version control called Distributed Version Control System, or DVCS. What this means is that the clients who are working on some piece of code done just check out the latest snapshot of the files, the fully mirrors the entire working repository. Essentially, every checkout of the code is a full backup of all the data.
Git allows you to do many things to keep projects and files organized. You can revert files or entire projects back to previous states, review changes made over time, see who last modified something or even recover lost files. Software companies are looking for people with experience in version control because almost all companies creating software are using them. Its an incredibly valuable tool to keep track of code and making changes.
References:
- Getting Started with Git. http://git-scm.com/book/en/Getting-Started-About-Version-Control
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