To run any of the below commands, goto start-> Run (or) simply press winkey+R
Accessibility Controls                           :   access.cpl
Add Hardware Wizard                         :   hdwwiz.cpl
Add/Remove Programs                        :   appwiz.cpl
Administrative Toolscontrol                  :    admintools
Automatic Updates                              :   wuaucpl.cpl
Bluetooth Transfer Wizard                   :   fsquirt
Calculator                                            :   calc
Certificate Manager                             :   certmgr.msc
Character Map                                    :   charmap
Check Disk Utility                               :   chkdsk
Clipboard Viewer                                 :   clipbrd
Command Prompt                                :   cmd
Component Services                             :   dcomcnfg
Computer Management                        :   compmgmt.msc
Date and Time Properties                     :   timedate.cpl
DDE Shares                                         :   ddeshare
Device Manager                                   :   devmgmt.msc
Direct X Control Panel(If Installed)*     :   directx.cpl
Direct X Troubleshooter                       :   dxdiag
Disk Cleanup Utility                              :   cleanmgr
Disk Defragment                                   :   dfrg.msc
Disk Management                                 :   diskmgmt.msc
Disk Partition Manager                         :   diskpart
Display Properties                                :   control desktop
Display Properties                                :   desk.cpl
Display Properties (Appearance Tab     :   control color
Dr. Watson System Troubleshooting     :   drwtsn32
Driver Verifier Utility                            :   verifier
Event Viewer                                        :   eventvwr.msc
File Signature Verification Tool             :   sigverif
Findfast                                                :   findfast.cpl
Folders Properties                                :   control folders
Fonts                                                    :   control fonts
Fonts Folder                                         :   fonts
Free Cell Card Game                           :   freecell
Game Controllers                                 :   joy.cpl
Group Policy Editor (XP Prof)              :   gpedit.msc
Hearts Card Game                               :   mshearts
Iexpress Wizard                                   :   iexpress
Indexing Service                                   :   ciadv.msc
Internet Properties                                :   inetcpl.cpl
IP Configuration (Connection)              :   ipconfig / all
IP Configuration (Display DNS)            :   ipconfig / displaydns
IP Configuration (Delete DNS)             :   ipconfig / flushdns
IP Configuration (Release all Conns)     :  ipconfig / release
IP Configuration (Renew All Conn’s)    :  ipconfig / renew
IP Configuration                                   :   ipconfig / registerdns
(Refreshes DHCP & Re-Registers DNS)
IP Configuration                                   :   ipconfig / showclassid
(Display DHCP Class ID)
IP Configuration                                   :   ipconfig /setclassid
(Modifies DHCP Class ID)
Java Control Panel (If Installed)            :   jpicpl32.cpl
Java Control Panel (If Installed)            :   javaws
Keyboard Properties                            :   control keyboard
Local Security Settings                         :   secpol.msc
Local Users and Groups                       :   lusrmgr.msc
Logs You Out Of Windows                  :   logoff
Microsoft Chat                                     :   winchat
Minesweeper Game                              :   winmine
Mouse Properties                                 :   control mouse
Mouse Properties                                 :   main.cpl
Network Connections                           :   control netconnections
Network Connections                           :   ncpa.cpl
Network Setup Wizard                         :   netsetup.cpl
Notepad                                               :   notepad
Nview Desktop Manager (If Installed):  nvtuicpl.cpl
Object Packager                                  :   packager
ODBC Data Source Administrator        :   odbccp32.cpl
On Screen Keyboard                           :   osk
Opens AC3 Filter (If Installed)              :   ac3filter.cpl
Password Properties                             :   password.cpl
Performance Monitor                            :   perfmon.msc
Performance Monitor                            :   perfmon
Phone and Modem Options                  :   telephon.cpl
Power Configuration                             :   powercfg.cpl
Printers and Faxes                                :   control printers
Printers Folder                                      :   printers
Private Character Editor                       :   eudcedit
Quicktime (If Installed)                         :   QuickTime.cpl
Regional Settings                                  :   intl.cpl
Registry Editor                                     :   regedit
Registry Editor                                     :   regedit32
Remote Desktop                                  :   mstsc
Removable Storage                              :   ntmsmgr.msc
Removable Storage Operator Requests: ntmsoprq.msc
Resultant Set of Policy (XP Prof)          :   rsop.msc
Scanners and Cameras                         :   sticpl.cpl
Scheduled Tasks                                  :   control schedtasks
Security Center                                     :   wscui.cpl
Services                                               :   services.msc
Shared Folders                                     :   fsmgmt.msc
Shuts Down Windows                          :   shutdown
Sounds and Audio                                :   mmsys.cpl
Spider Solitare Card Game                   :   spider
SQL Client Configuration                      :   cliconfg
System Configuration Editor                  :   sysedit
System Configuration Utility                  :   msconfig
System File CheckerUtility                    :   sfc / scannow
(Scan Immediately)
System File Checker Utility                   :   sfc /scanonce
(Scan Once At Next Boot)
System File Checker Utility                   :   sfc /scanboot
(Scan On Every Boot)
System File Checker Utility                   :   sfc / revert
(Return to Default Setting)
System File Checker Utility                   :   sfc /purgecache
(Purge File Cache)
System File Checker Utility                   :   sfc /cachesize=x
(Set Cache Size to size x)
System Properties                                 :   sysdm.cpl
Task Manager                                     :   taskmgr
Telnet                                                   :   Clienttelnet
User Account Management                   :   nusrmgr.cpl
Utility Manager                                     :   utilman
Windows Firewall                                 :   firewall.cpl
Windows Magnifier                              :   magnify
Windows Management Infrastructure   :   wmimgmt.msc
Windows System Security Tool            :   syskey
Windows Update Launches                  :   wupdmgr
Windows XP Tour Wizard                   :   tourstart

Wordpad                                             :   write