.TITLE VARY - Change availability of allocatable device .FACILITY VARY,5 .SEVERITY SUCCESS .SEVERITY INFORMATIONAL .SEVERITY WARNING ! Warning messages ALRDYOFF ALRDYON INUSE .SEVERITY ERROR ! Messages for errors CMDLINE SYNTAXERR /FAO_COUNT=1 PARSERR DEVERR /FAO_COUNT=1 VARYERR /FAO_COUNT=1 .END