Shortcuts - Run Commands

You can directly open 'Run' by pressing Windows+R keys at a time and type the following to commands open corresponding programs:
cmd - To run MS - DOS (.com, .pif)
calc - To run calculator (.exe)
control - To open Control Panel (.exe)
defrag - To defrag the hard disk drives (.exe)
dialer - For dialing seups (.exe)
dosprompt - To get a minimized DOS window (.pif)
explorer - To open Windows Explorer (.exe., .scf)
ftp - For File Transfer Protocol if internet is connected (.exe)
ms- dos~1/ms-dos~2 - for fully MS-DOS mode. No Windows O.S. (.pif)
net - For net information cum help (.exe)
ping - For bytes information and bandwidth of internet connection information (.exe)
regedit - To open Registry (.exe)
telnet - Command runner if the system is conncected in a UNIX system network (.exe)
tuneup - For Task Scheduling wizard, i.e. Task Maintanance (.exe)
notepad - To run Notepad (.exe)
write - To run WordPad (.exe)
scanregw - To scan the Registry and to backup it (.exe)
progman - To maintain, run and view the files in all drives (.exe)
directcc - To join your computer in cable connection with other computers (.exe)
scandskw - To open Scandisk to scan the hard drives (.exe)
winfile - Windows File Manager
taskman - To manage current running open programs or files. Nice replacement for default Windows taskbar
msconfig - To maintain the configuration of computer. It will show the options like General, Startup including files Autoexec.bat, Config.sys, System.ini and Win.ini. (Autoexec.bat & Config.sys are MS-DOS files)
winrep - To run Windows Report Tool - Accessories>System Tools>System Information(.exe)
winver - To know the version of Windows
packager - Insert objects in documents, presentations or worksheets
winfile - Another Windows Explorer (.exe)