CMD command line DOS is dead
http://commandwindows.com/index.html XP to Windows 8
http://pcsupport.about.com/od/commandlinereference/Command_Line_Reference.htm
https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/ntcmds.mspx
https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/ntcmds.mspx?mfr=true
http://technet.microsoft.com/en-us/library/cc754340(v=WS.10).aspx
http://technet.microsoft.com/en-us/library/bb490890.aspx
http://pcsupport.about.com/od/commandlinereference/Command_Line_Reference.htm
A list of commands available in MS-DOS 6.22. to windows 8
http://www.microsoft.com/en-us/download/details.aspx?id=2632
WinCmdRef.chm 1.8 MB
This download describes the use of the command-line tools used to perform various tasks related to Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows 7, and Windows Vista.