Net file

Net file
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/net_file.mspx?mfr=true

View list of computers/users opening/using shared files

1. go to the machine where the shared folder is hosted
2. open command prompt
3. invoke command: Net File
   

Find certain opened shared-files:
net file | find /I "file-path-or-pattern" [> logfilepathname]

example:
net file | find /I "file_test.xls" > d:\net-file-pattern.log

the example above will list all shared files being used/opened with result pattern "file_test.xls" and write the list to d:\net-file-pattern.log