You have a stand-alone file server that runs Windows Server 2003 Service Pack 2 (SP2). The server has a shared folder that contains over 1,000 folders. The folders contain over 100,000 files. You need to create a batch file that modifies the permissions of all files that start with the string “report”. Which command should you include in the batch file? （）

Attrib.exe
B. Cacls.exe
C. Dsacls.exe
Dsmod.exe