Microsoft windows XP syntex

Microsoft(R) Windows XP Windows File Checker Version 5.1
(C) 1999-2000 Microsoft Corp. All rights reserved

Scans all protected system files and replaces incorrect versions with correct Microsoft versions.

SFC [/SCANNOW] [/SCANONCE] [/SCANBOOT] [/REVERT] [/PURGECACHE] [/CACHESIZE=x]

/SCANNOW	Scans all protected system files immediately.
/SCANONCE	Scans all protected system files once at the next boot.
/SCANBOOT	Scans all protected system files at every boot.
/REVERT	Return scan to default setting.
/PURGECACHE	Purges the file cache.
/CACHESIZE=x	Sets the file cache size.

Examples:   sfc /scannow   Begins the scan of all system files.

·        KABIR SHAIKH.