Search notes:

control.exe

control.exe allows to open the Control Panel from the command line (such as cmd.exe or PowerShell):

Call of rundll32.exe

Behind the scene, control.exe simply calls rundll32.exe like so:
rundll32.exe shell32.dll,Control_RunDLL

/name

The /name argument specifies the canonical name of a control panel item that should be opened.
For example, to open the device manager (devmgmt.msc):
C:\> control /name microsoft.deviceManager

Legacy commands

type … to open …
control.exe desktop Display Properties
control.exe color Display Properties with Appearance tab selected
control.exe date/time Date and Time Properties
control.exe international Regional and Language Options
control.exe mouse Mouse Properties
control.exe keyboard Keyboard Properties
control.exe printers Printer and Faxes folder
control.exe fonts Fonts folder
control.exe folders Folder Options
control.exe netware Novell NetWare (if installed)
control.exe telephony Phone and Modem Options
control.exe admintools Administrative Tools
control.exe schedtasks Scheduled Tasks
control.exe netconnections Network Connections
control.exe userpasswords User Accounts (see also here)
control.exe userpasswords2 Seems to be equivalent to Netplwiz.exe

See also

Control panel

Index