MD (same as MKDIR) is a command used to create a new folder or directory in a Windows environment.
The mkdir (make directory) command in the Unix, DOS, FlexOS, OS/2, Microsoft Windows, and ReactOS operating systems is used to make a new directory. It is also available in the EFI shell and in the PHP scripting language. In DOS, OS/2, Windows and ReactOS, the command is often abbreviated to md.
The command is analogous to the OpenVOS create_dir command. TRIPOS and AmigaDOS provide a similar MakeDir command to create new directories. The numerical computing environments …