Operations on a file opened by another process Retrieve a file opened by another process duration range Lock the end of a file chunksize name Trim/truncate the file duration chunksize name Checks if the file is memory mapped duration chunksize range name Process ID File handle How many bytes to read from the file at a time. Attempt to elevate to open process Amount of time file is locked lock The prefix for any local files. Start - byte offset to start trim from End - if unspecified will remove to end of file