1. ipconfig: View your IP address.
2.regedit: Open the Windows registry editor.
3.msconfig: Utility to stop programs from running at startup.
4.calc: Open the calculator.
5.cmd: Open the command prompt.
6.scandisk or scandskw: Scan the disk.
7.taskmgr: View and manage tasks in the taskbar.
8.cookies: Access cookie files.
9.defrag: Defragment the disk.
10.help: Open the help menu, or press F1.
11.temp: Access temporary files.
12.dxdiag: View system specifications and information.
13.pbrush: Open Microsoft Paint.
14.cdplayer: Open the CD player program.
15.progman: Open the program manager.
16.tuneup: Run the system maintenance wizard.
17.debug: Identify the type of graphics card.
18.sysedit: Open the system configuration editor.
19.packager: View the icon changer program.
20.cleanmgr: Run the disk cleanup program.
21.msiexec: Information about the program and company rights.
22.imgstart: Run a Windows CD.
23.sfc: Restore DLL files if any are corrupted.
24.icwscrpt: Copy DLL files.
25.recent: Open the Recent Documents folder to view previously opened files.
26.mobsync: Open a program to download and view web pages offline.
27.Tips.txt: Important file containing key Windows tips.
28.drwatson: Open Dr. Watson for a comprehensive system check.
29.mkcompat: Change program properties.
30.cliconfg: Network connection assistance.
31.ftp: Open the File Transfer Protocol (FTP) utility.
32.dvdplay: Play videos (available in Windows Millennium Edition).
33.osk: Show the on-screen keyboard.
34.gpedit.msc: Control system policies.
35.%tmp%: Access temporary files more broadly.
36.perfmon.msc: Monitor the system more comprehensively.
37.telnet: Connect to servers and network services (originated from UNIX).
38.soundrecorder: Record sound.
39.credwiz: Request to recover a password.
40.timedate.cpl: Set the date and time.
41.narrator: Open the Narrator to read menu commands and dialog boxes (in English).
42.joy.cpl: Open the control panel for games and joystick settings.
43.wmimgmt.msc: Manage Windows Management Infrastructure.
44.dpiscaling: Adjust the screen scaling.