What is a .bat file? What is it used for?

The bat file is a batch file under dos. A batch file is an unformatted text file that contains one or more commands. Its file extension is .bat or .cmd. Enter the name of the batch file at the command prompt, or double-click the batch file, and the system will call cmd.exe to run the commands in the file one by one in the order they appear. Use batch files (also known as batch programs or scripts) to streamline routine or repetitive tasks.

Extended information:

Use batch files (also known as batch programs or scripts) to simplify routine or repetitive tasks. The essence of batch processing is a collection of DOS commands arranged in a certain order. The first three letters of the batch file suffix BAT are taken. There is no fixed format for its composition, as long as the following is followed: each line can be regarded as a command, and each command can contain multiple subcommands. It is executed from the first line to the end of the last line. The platform it runs on It's DOS. Batch processing has a very distinctive feature: easy to use, flexible, powerful, and highly automated.

Baidu Encyclopedia-bat file

Baidu Encyclopedia-batch file