Filename Extensions
- .bat: The first extension used by Microsoft for batch files. This extension runs with MS-DOS and all versions of Windows, under COMMAND.COM or cmd.exe, despite the different ways the two command interpreters execute batch files.
- .cmd: The extension used by operating systems in the Windows NT family and sent to cmd.exe for interpretation. It does not work on computers relying on COMMAND.COM so prevents cmd.exe scripts from being executed in the wrong Windows environment. It is also used by IBM's OS/2 for batch files.
- .btm: The extension used by 4DOS and 4NT. The scripts that run on 4DOS and 4NT are faster, especially with longer ones, as the script is loaded entirely ready for execution, rather than line-by-line.
Read more about this topic: Batch File
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