Disable the MS-DOS Command Prompt (Windows 95/98/Me)
This setting allows you to disable the use of the MS-DOS command prompt in Windows.

Enable Command Completion (Windows NT/2000/XP) Popular
Command completion allows you to type a portion of a file name, and then have the system complete the rest by pressing the specified key. This is similar to the UNIX shell command completion feature.

Change the Command Prompt (Windows NT/2000/XP)
This setting allows you to change the format of the command prompt to show additional information instead of just the current drive and path ("C:\>").

Allow UNC Paths at the Command Prompt (Windows NT/2000/XP)
The Command Processor normally checks and disallows UNC names from being used for the current directory in the Command Prompt as they may cause problems with launched child processes. This tweak can be used to allow UNC paths and remove the warning message.

Add Command Prompt Option to Every Folder (All Windows) Popular
If you still use the DOS prompt regularly then this setting creates a new right-click menu option to open a command prompt at the selected directory.

Change the Command Prompt Colors (Windows NT/2000/XP)
The value DefaultColor controls the foreground and background colors used in command prompt windows. It has a default value of 0, for standard white text on a black background.

Enable Directory Completion (Windows 2000/XP)
Directory completion allows you to specify a key, that when pressed, completes the remainder of a directory name, you can press the key multiple times to scroll through the choices.

Quick Edit the Command Prompt (Windows NT/2000/XP)
Quick Edit allows you to easily cut and paste text in the command prompt window using the mouse. The ability to use the Edit menu options is still possible.

Disable Command Prompt and Batch Files (Windows 2000/XP)
This restriction allows you to selectively disable the Command Prompt (CMD) and the ability to execute DOS batch files.

Disable Single Mode MS-DOS Applications (Windows 95/98/Me)
This setting allows you to disable the use of real mode DOS applications from within the Windows shell.

Run Startup Programs in a Command Prompt (Windows 2000/XP)
This setting allows you to specify commands or programs to be automatically executed whenever a command processor is launched. For example, to set environment variables or parameters using a batch file.

Modify the Number of File Handles for DOS Programs (Windows Me)
This setting controls the number of file handles available to MS-DOS programs run in each virtual machine. In Windows Me, each MS-DOS VM is given the default value of 30 file handles.

Use High Memory for DOS Drivers (Windows 95/98/Me)
This setting causes Windows to load the local DOS devices into high memory and freeing up more low memory for DOS applications.

Disable Command Processor Extensions (Windows 2000/XP)
This setting controls whether command extensions are enabled or disabled. When command extensions are used they change the behaviour of various standard command processor functions such as CD, MD, DEL, PROMPT and SET.

Enable Delayed Environment Variable Expansion (Windows 2000/XP)
This setting allows you to enable or disable delayed environment variable expansion in the command processor. If this feature is enabled then exclaimation characters can be used to substitute the value of an environment variable at execution time.