ZEBRA RZ files may now be written in both exchange and native data formats. For systems that use the IEEE floating point format, such as most Unix systems including Sun, Apollo, RS6000 etc., native and exchange formats are identical. It is recommended that exchange data format be used whereever possible. Such files may be transferred between different systems using the standard ftp utility and accessed at the record level using nfs. This obviates the need for the GETRZ and PUTRZ commands in ZFTP, for example.