tutorial on the Use of Ver, vol., ctty commands _dos/bat

Ver Display DOS version

[Example] C:\>ver

ms-dos Version 6.22

C:\>

Vol Displays the specified disk volume label

[Example] C:\>vol

Volume in drive C is Wang

Volume Serial number is 2116-1dd0

C:\>


Ctty Change Control equipment

[Recommended] To change the control of the input, you can try this command, but I'm afraid there will be no
What it does, is one of the most useless commands in DOS.

[Usage] ctty [device name] Setting console

[Example] c:\>ctty Aux set aux to input.