Software:Cmd.exe

Command Prompt (cmd.exe)

Other names	Windows Command Processor
Developer(s)	Microsoft, IBM, ReactOS contributors
Initial release	December 1987; 38 years ago (1987-12)
Operating system	Windows NT family Windows CE family OS/2 eComStation ArcaOS ReactOS
Platform	IA-32, x86-64, ARM (and historically DEC Alpha, MIPS, PowerPC, and Itanium)
Predecessor	COMMAND.COM
Type	Command-line interpreter

cmd.exe, also known as Command Prompt or Windows Command Processor, is a shell program on later versions of Windows (NT and CE families), OS/2,^[1] eComStation, ArcaOS, and ReactOS.^[2] In some versions of Windows (CE .NET 4.2,^[3] CE 5.0^[4] and Embedded CE 6.0^[5]) it is referred to as the Command Processor Shell. Implementation differs between operating systems, but with significant consistency of behavior and available commands.

Older, related operating systems, DOS and Windows 9x, provided