The "Tools" tab of the system configuration applet offers shortcuts to a number of helpful tools and shows you the path and filename for each:

About Windows
C:\Windows\system32\winver.exe

System Information
C:\Windows\System32\msinfo32.exe

Remote Assistance
C:\Windows\System32\msra.exe

System Restore
C:\Windows\System32\rstrui.exe

Computer Management
C:\Windows\System32\compmgmt.msc

Event Viewer
C:\Windows\System32\eventvwr.exe

Programs
C:\Windows\System32\appwiz.cpl

Security Center
C:\Windows\System32\wscui.cpl

System Properties
C:\Windows\System32\control.exe system

Internet Options
C:\Windows\System32\inetcpl.cpl

Internet Protocol Configuration
C:\Windows\System32\perfmon.exe

Performance Monitor
C:\Windows\System32\cmd.exe /k %windir%\system32\ipconfig.exe

Task Manager
C:\Windows\System32\taskmgr.exe

Disable UAC
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

Enable UAC
C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 1 /f

Command Prompt
C:\Windows\System32\cmd.exe

Registry Editor
C:\Windows\System32\regedt32.exe