Here are some shortcut commands to access usual programs and utilites in Windows XP. Click on start button, then click on run, type the following command and then click on ok button on the run window.

- Add Hardware Wizard: hdwwiz.cpl
- Add/Remove Programs: appwiz.cpl
- Administrative Tools: control 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
- Computer Management: compmgmt.msc- Date and Time Properties: timedate.cpl
- Device Manager: devmgmt.msc
- Direct X Control Panel: directx.cpl
- Direct X Troubleshooter: dxdiag

- Disk Cleanup Utility: cleanmgr
- Disk Defragment: dfrg.msc
- Disk Management: diskmgmt.msc
- Disk Partition Manager: diskpart

- Display Properties: desk.cpl
- Dr. Watson System Troubleshooting Utility: drwtsn32
- Driver Verifier Utility: verifier
- Event Viewer: eventvwr.msc

- Findfast: findfast.cpl
- Free Cell Card Game: freecell
- Hearts Card Game: mshearts
- Iexpress Wizard: iexpress

- Internet Properties: inetcpl.cpl
- IP Configuration (Display Connection Configuration): ipconfig /all
- IP Configuration (Display DNS Cache Contents): ipconfig /displaydns
- IP Configuration (Delete DNS Cache Contents): ipconfig /flushdns

- IP Configuration (Release All Connections): ipconfig /release
- IP Configuration (Renew All Connections): ipconfig /renew
- IP Configuration (Refreshes DHCP & Re-Registers DNS): ipconfig /registerdns
- IP Configuration (Display DHCP Class ID): ipconfig /showclassid

- Java Control Panel (If Installed) : javaws
- Local Security Settings: secpol.msc
- Local Users and Groups: lusrmgr.msc
- Logs You Out Of Windows: logoff

- Minesweeper Game: winmine
- Mouse Properties: main.cpl
- Network Connections: ncpa.cpl
- Network Setup Wizard: netsetup.cpl

- Notepad: notepad
- ODBC Data Source Administrator: odbccp32.cpl
- On Screen Keyboard: osk
- Password Properties: password.cpl

- Performance Monitor: perfmon.msc
- Power Configuration: powercfg.cpl
- Quicktime (If Installed): QuickTime.cpl
- Registry Editor: regedit

- Registry Editor: regedit32
- Remote Desktop: mstsc
- Removable Storage: ntmsmgr.msc
- Scanners and Cameras: sticpl.cpl

- Services: services.msc
- Shared Folders: fsmgmt.msc
- Shuts Down Windows: shutdown
- Sounds and Audio: mmsys.cpl

- Spider Solitare Card Game: spider
- System Configuration Editor: sysedit
- System Configuration Utility: msconfig
- System File Checker Utility (Scan Immediately): sfc /scannow

- System File Checker Utility (Scan Once At Next Boot): sfc /scanonce
- System File Checker Utility (Scan On Every Boot): sfc /scanboot
- System File Checker Utility (Return to Default Setting): sfc /revert
- System File Checker Utility (Purge File Cache): sfc /purgecache

- System File Checker Utility (Set Cache Size to size x): sfc /cachesize=x
- System Properties: sysdm.cpl
- Task Manager: taskmgr
- Telnet Client: telnet

- 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

Hope you find above commands handy. I am sure I have missed few of them. If you know of some, let me know (mail or add comment)