File system monitor filter can monitor the file system activities on the fly. With file system monitor filter you can monitor the file activities on file system level capture file opencreate overwrite read writequery file information set file information query security information set security information file rename file delete directory browsing and file close I/O requests. File system control filter can control the file activities which you can intercept the file system call modify its content before or after the request goes down to the file system allow/deny/cancel its execution based on the filter rule. You can fully control file open/create/overwrite read/write query/set file attribute/size/time security information rename/delete directory browsing these Io requests.