File extension for Microsoft batch files
Batch files are text-based scripts that are executed by the command processor (cmd.exe on DOS, OS/2 and Windows). They usually have the extension
batch files or
batch programs or
scripts, you can simplify routine or repeat tasks. A batch file is an unformatted text file that contains one or more commands and has a .bat or .cmd or .btm file name extension. When you type the filename at the command prompt,
cmd.exe runs the commands sequentially as they appear in the file.