FREE Free Space
FREE[%][ISAM][,PLAM] Number of free PAM pages for the file, i.e. space allocated, but not yet used. Free = Allocated Space - Last Page
% Percentage of free PAM pages compared to the full size of the file.
ISAM Behaves like an ISAM file, so that the number of unused data blocks will be displayed, with the help of the SHOW-FREE-ISAM-SPACE command. The ISAM option can only be issued under the TSOS userid. The FSC software product SPACEOPT V2.0 must additionally be installed.
PLAM If the file is actually a PLAM library, the free space within the library is added to the number of free PAM pages. The PLAM option can be utilised as from LMS Version 3.0.
Selection parameter: >x | <x | =x