This account contains a pair of programs to produce a detailed breakdown of what DSR is currently being used and for what. It even attempts to follow FCB pointers through F11ACP, and usually finds everything in pool. The only item knowingly omitted is Error Message Blocks, which appear to be exceedingly rare. From: Phil Stephensen-Payne, c/o Systime Ltd., Concourse Computer Centre, 432 Dewsbury Road, LEEDS LS11 7DF, England.