Formerly GIMZIP could create and GIMUNZIP could process packages that contained only sequential and partitioned data sets. Also, GIMUNZIP would only extract data from an archive file into a new data set allocated directly by GIMUNZIP. These service routines were enhanced for SMP/E V3R3, as follows:

• Packages can now contain VSAM data sets and UNIX files and directories.
• You can assign a unique ID to an archive during GIMZIP processing and then use that ID to identify the archive that is to be extracted during GIMUNZIP processing.
• GIMUNZIP now allows GIMUNZIP operations into existing data sets. GIMUNZIP determines if the data set specified on the <ARCHDEF> tag exists. If the data set exists, GIMUNZIP copies the archive file into the existing data set. If the data set does not exist, GIMUNZIP allocates a new data set and then copies the archive file into that new data set.