DOS en Windows shells

C:\Users\User>help

For more information on a specific command, type HELP command-name
CD     Displays the name of or changes the current directory.
COPY   Copies one or more files to another location.
DATE   Displays or sets the date.
DEL    Deletes one or more files.
DIR    Displays a list of files and subdirectories in a directory.
ERASE  Deletes one or more files.
EXIT   Quits the CMD.EXE program (command interpreter).
MKDIR  Creates a directory.
PRINT  Prints a text file.
RD     Removes a directory.
REN    Renames a file or files.
VER    Displays the Windows version.

Microsoft levert als "shell" bij "MS-DOS" (Disk Operating System) "command.com" en later bij Windows "cmd.exe". Beide programma's lijken op het oudere "CCP" dat bij CP/M werd geleverd.