MS-DOS allows the user to navigate, open, and otherwise manipulate files on their computer from a command line instead of a Graphic User Interface (GUI) like Windows.

If when you try to move, delete, copy, or rename files/folders in Windows 11/10 and you see the Invalid MS-DOS Function error message, this guide will help to fix it.

On Windows 10, a batch file typically has a ".bat" extension, and it is a special text file that contains one or multiple commands that run in sequence to perform various actions with Command Prompt.

The high-performance DOS shell and erstwhile Windows competitor is now open source, with plans underway to create a modern SDK for Windows and Linux.

If you want to open an Elevated Command Prompt, which is one that runs with Administrator privileges, you can see the How to open a Windows 10 Elevated Command Prompt article instead.

The DOSBox emulator lets you run your DOS games and software again. It's free and open source, so you won't have to pay just to use programs you already own.

How to create batch files on Windows 11 You can quickly write batch files with any text editor, such as Notepad or Visual Studio Code. You will only need some basic Command Prompt skills.

Feeling nostalgic? Microsoft is re-open sourcing MS-DOS on GitHub.

What does DOS file actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Microsoft made DOS 4.0 open-source, but not everyone is happy Releasing old files in a new-er format has caused a lot of headaches for software historians.