Filehandler for openfiles in Windows and Disk Queue

Here are some hints:

360=Files Opened Total
361=The number of successful open attempts performed by the server of behalf of clients. Useful in determining the amount of file I/O, determining overhead for path-based operations, and for determining the effectiveness of open locks.
362=Files Open
363=The number of files currently opened in the server. Indicates current server activity.
365=The number of sessions currently active in the server. Indicates current server activity.