What does a .bat file extension indicate?

A .bat file extension indicates that the file is a batch file script. Batch files are used primarily in Windows operating systems to execute a series of commands automatically. When a .bat file is run, the operating system processes each command in the file sequentially. These commands can include anything from launching programs, copying files, deleting files, or changing directory paths.

The use of batch files is particularly useful for automating repetitive tasks, simplifying complex command sequences, or setting up environments for applications. This makes them an efficient tool for users who frequently perform similar operations.

In contrast, the other options do not correspond to the .bat file extension. A .bat file does not relate to security protocols, web pages, or audio files, which have their own specific extensions and purposes. Therefore, recognizing .bat files as batch file scripts is crucial in understanding their functionality within the Windows environment.