CD which stands for Change Directory.
Entering CD /? will display a list of supported options.
mkdir
RD command is used to remove a directory (folder).
rev command
MKDIR
DOSEXAFTERBREAKFAST
To delete directory and sub directory in single command, use "deltree" command..
type at DOS prompt CD c:\
Creates a new directory or folder.
DIR
RD command is used to remove a directory (folder).
DIR is used to list the contents of a directory.
The DOS message "bad command or file name" means that the command you entered was not recognized as an internal command or as an external command in the working directory or path.