MPE/iX System Utilities Reference Manual (32650-90882)

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5 DISCFREE
Use the DISCFREE utility to display information about disk volume fragmentation and the
allocation of transient and permanent space on the disk. DISCFREE also shows total volume
space capacity, as well as disk allocation for single volumes or for the whole system.
Transient space refers to temporary, fluctuating volume space. Permanent space is volume
space set aside for job/session temporary files, permanent disk files, and operating system
directories and other data.
DISCFREE displays disk allocation data only for mounted MPE/iX volumes, and not for
unmounted or scratched volumes. (If necessary, use the DSTAT command to identify
currently mounted volumes.)