For example, to save the entire IFS directories (but not native as400 libraries) you would choose (where tap01 is the tape device name):
SAV DEV('qsys.lib/tap01.devd') OBJ(('/*') ('/QSYS.LIB' *OMIT) ('/QDLS' *OMIT))
Restoring files from the IFS is implemented using the RST command. A good description of the SAV command can be found in this Search400.com tip.
Dig Deeper on Integrated File System (IFS)
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