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JES3 to JES2 Migration Considerations by Tom Wasik, John Unterholzner, John A. O'Leary, Brad Habbershaw, Bruce Dennis, Karan Singh, Frank Kyne

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NJE considerations
This chapter describes the differences between JES3 and JES2 network job entry (NJE) processing.
JES3 customers can issue the *MODIFY CONFIG operator command to add SNA RJP workstation and non-channel-attached printers to the JES3 configuration without a restart. This command can also be used to add spool data sets to JES3 as of z/OS V1R13.0. In JES2, various $ADD commands can be used to add local and remote printers or TCPIP/NJE components.
15.1 Networking protocols
Both JESs can support NJE using three protocols:
Binary synchronous ...

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