Starts Debug.exe, a program you can use to test and debug MS-DOS executable files. Used without parameters, debug starts Debug.exe and the debug prompt appears, which is represented by a hyphen (-).

Syntax

debug [[Drive:][Path] FileName [parameters]]

Parameters

[ Drive : ][ Path ] FileName   : Specifies the location and name of the executable file that you want to test.

parameters   : Specifies any command-line information required by the executable file that you want to test.

? : Displays a list of debug subcommands.

Remarks

• Windows XP does not use this command. It is accepted only for compatibility with MS-DOS files. 

• Using MS-DOS subsystem commands

  Debug is a MS-DOS subsystem command that runs under WOW/NTVDM.

• Separating command parameters

  You can separate parameters with a comma or white space, but these separators are required only between two hexadecimal values. For example, the following commands are equivalent:

  dcs:100 110

  d cs:100 110

  d,cs:100,110

• Using debug subcommands

  There are several debug subcommands that you can use. For more information about debug subcommands, see Related Topics.

Formatting legend

Format	Meaning
Italic	Information that the user must supply
Bold	Elements that the user must type exactly as shown
Ellipsis (...)	Parameter that can be repeated several times in a command line
Between brackets ([])	Optional items
Between braces ({}); choices separated by pipe (|). Example: {even|odd}	Set of choices from which the user must choose only one
Courier font	Code or program output

Command-line reference A-Z

Debug subcommands