Using WORKSTN Files

Start of changeInteractive applications on the IBM® i generally involve communication with: End of change

Display files are objects of type *FILE with attribute of DSPF on the IBM i. You use display files to communicate interactively with users at display terminals. Like database files, display files can be either externally-described or program-described.

Start of changeICF files are objects of type *FILE with attribute of ICFF on the IBM i. You use ICF files to communicate with (send data to and receive data from) other application programs on remote systems (IBM i or other operating systems). An ICF file contains the communication formats required for sending and receiving data between systems. You can write programs that use ICF files which allow you to communicate with (send data to and receive data from) other application programs on remote systems.End of change

When a file in an RPG program is identified with the WORKSTN device name then that program can communicate interactively with a work-station user or use the Intersystem Communications Function (ICF) to communicate with other programs. This chapter describes how to use:

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