that is the command for system file checker.
The sfc scanboot command launches system file checker every time computer boots.
Use system file checker to verify the version of all system files when Windows loads. Useful when you suspect system files are corrupted, but you can still access the Windows desktop. Command to execute it: Sfc with parameters.
sfc/scanonce
The command ____ searches for and replaces corrupted system filesAnswer: sfc /scannow
sfc/scanboot
"SFC" is used to scan and repair all protected system files."SFC /SCANNOW" scans files straight away."SFC /SCANBOOT" scans files every time computer boots."SFC /REVERT" returns SFC to its default settings."SFC /?" will give you further help when using the command.
sfc/scanboot the above is only if you want it to scan every time the computer reboots. if you want it to only scan the next time you boot the command is sfc/scanonce
There is no traditional 'execute' command in Unix.
To use System File Checker, you can type sfc.exe or sfc in a command prompt window or in the run dialog box. To scan the system at the next reboot, you would use the /scanonce switch (sfc/scanonce).
/scanonce
To scan all system files in Windows, you can use the System File Checker (SFC) tool. At the command prompt, enter the command sfc /scannow and press Enter. This command will check for and repair corrupted system files. Make sure to run the command prompt as an administrator for it to work properly.
The command line function you want is: sfc /scannow The scannow switch makes it run....now. You may need your windows Xp disk, so that sfc (system file checker) can restore files it finds are corrupted.