VMS Help ANALYZE, /CRASH_DUMP, /RELEASE, Examples  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  $ ANALYZE/CRASH_DUMP/RELEASE SYS$SYSTEM:PAGEFILE.SYS

  $ ANALYZE/CRASH/RELEASE PAGEFILE.SYS

      These commands invoke SDA to release to the page file those
      blocks in SYS$SYSTEM:PAGEFILE.SYS occupied by a crash dump.