$ SORT/STATISTICS PRICE1.DAT,PRICE2.DAT PRICE.LIS This SORT command results in the following statistical display: OpenVMS Sort/Merge Statistics Records read: 793 Input record length: 80 Records sorted: 793 Internal length: 80 Records output: 793 Output record length: 80 Working set extent: 100 Sort tree size: 412 Virtual memory: 433 Number of initial runs: 2 Direct I/O: 22 Maximum merge order: 2 Buffered I/O: 9 Number of merge passes: 1 Page faults: 3418 Work file allocation: 114 Elapsed time: 00:00:05.98 Elapsed CPU: 00:00:03.63 In the sample statistics display, the Sort data structure size is limited by the small working set extent. By doubling the working set extent you can almost double the Sort data structure size, enabling all the records to fit in memory without using work files.