The CLOSE command is used to close the database file specified by the FILE parameter. Individual files can be closed, or all files in the function open at the time the command is issued can be closed.
Also See
7.14.2 CLOSE Comments / Warnings
Optional
CLOSE -------- FILE---------- *ALL . *FIRST ----------->
file name . library name
>-- IO_STATUS ---- *STATUS ------------------------>
field name
>-- IO_ERROR ----- *ABORT -------------------------|
*NEXT
*RETURN
label
