MFREE Display Free System RAM mfree Displays a list of which areas of memory are not presently in use and available for assignment. The address and size of each free memory block are displayed. The size is given as the number of 256-byte pages. This information is useful to detect and correct memory fragmentation (see ). For more information see: , OS9: mfree Address pages --------- ----- 700- 7FF 1 B00-AEFF 164 B100-B1FF 1 Total pages free = 166