Below is a list of commands that I picked up from TechNet Magazine. Remember that SCONFIG now replaces some of these in Server Core 2008 R2.
Here are links to more information on SCONFIG
Control desk.cpl - View or set display settings.
Control intl.cpl - View or set regional and language options, including formats and the keyboard layout.
Control sysdm.cpl - View or set system properties.
Control timedate.cpl - View or set the date, time, and time zone.
Cscript slmgr.vbs –ato - Activate the operating system.
DiskRaid.exe - Configure software RAID.
ipconfig /all - List information about the computer’s IP address configuration.
NetDom RenameComputer - Set the server’s name and domain membership.
OCList.exe - List roles, role services, and features.
OCSetup.exe - Add or remove roles, role services, and features.
PNPUtil.exe - Install or update hardware device drivers.
Sc query type=driver - List installed device drivers.
Scregedit.wsf - Configure the operating system. Use the /cli parameter to list available configuration areas.
ServerWerOptin.exe - Configure Windows Error Reporting.
SystemInfo - List the system configuration details.
WEVUtil.exe - View and search event logs.
Wmic datafile where name=“FullFilePath” get version - List a file’s version.
Wmic nicconfig index=9 call enabledhcp - Set the computer to use dynamic IP addressing rather than static IP addressing.
Wmic nicconfig index=9 call enablestatic(“IPAddress”), (“SubnetMask”) - Set a computer’s static IP address and network mask.
Wmic nicconfig index=9 call setgateways(“GatewayIPAddress”) - Set or change the default gateway.
Wmic product get name /value “ - List installed MSI applications by name.
Wmic product where name=“Name” call uninstall - Uninstall an MSI application.
Wmic qfe list - List installed updates and hotfixes.
Wusa.exe PatchName.msu /quiet - Apply an update or hotfix to the operating system.