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 Defragmenter (XP) :- dfrg.msc
Disk Defragmenter (Vista) :- dfrgui
Disk Defragmenter :- defrag
Disk Management :- diskmgmt.msc
Disk Partition Manager :- diskpart
Display Properties :- control desktop
Display Properties :- desk.cpl
Display Properties (Appearance) :- control color
Dr. Watson System Troubleshooting Utility :- drwtsn32
Driver Verifier Utility :- verifier
Driver Package Installer (Vista/Win7) :- dpinst
DVD Player :- dvdplay
Device Manager :- devmgmt.msc
Direct X Control Panel* :- directx.cpl
Direct X Troubleshooter :- dxdiag
Disk Cleanup Utility :- cleanmgr
Disk Defragmenter (XP) :- dfrg.msc
Disk Defragmenter (Vista) :- dfrgui
Disk Defragmenter :- defrag
Disk Management :- diskmgmt.msc
Disk Partition Manager :- diskpart
Display Properties :- control desktop
Display Properties :- desk.cpl
Display Properties (Appearance) :- control color
Dr. Watson System Troubleshooting Utility :- drwtsn32
Driver Verifier Utility :- verifier
Driver Package Installer (Vista/Win7) :- dpinst
DVD Player :- dvdplay