XSAVE
        /OUTFILE=’file_name’
        /{UNCOMPRESSED,COMPRESSED,ZCOMPRESSED}
        /PERMISSIONS={WRITEABLE,READONLY}
        /DROP=var_list
        /KEEP=var_list
        /VERSION=version
        /RENAME=(src_names=target_names)…
        /NAMES
        /MAP
The XSAVE transformation writes the active dataset’s dictionary and
data to a system file.  It is similar to the SAVE
procedure, with two differences:
XSAVE is a transformation, not a procedure.  It is executed when
the data is read by a procedure or procedure-like command.
XSAVE does not support the UNSELECTED subcommand.
See SAVE, for more information.