If you do know which version of MS-DOS you are working with which command will you use after having booted your operating system?
If we know which version of MS-DOS we are working with VER command will we use after having booted your operating system.
The VER command is used to display the current MS-DOS version number. VER (short for version) is a command in various DOS, and Microsoft Windows command line interpreters (shells) such as COMMAND.COM, cmd.exe.
An operating system is a set of programs that controls and coordinates the use of computer hardware among various application programs. It provides an environment within which user can execute programs. A computer can be divided into four components: the hardware, the operating system, the applications programs, the users.