5The TSO/E REXX commands
In addition to the normal TSO commands, there are some commands that execute the TSO/E specifically for REXX. These commands are like all TSO commands, using literals to send them to the TSO. Some of these commands are only executable when called up from a REXX procedure. I would like to present the most important commands here.
Note
In REXX on other platforms, these commands are not available. For example, the EXECIO command is not available in OOREXX. This is really a deficit of OOREXX!
5.1EXECIO – Read and write data sets
This is the most widely used TSO/E REXX command. EXECIO uses the QSAM method of z/OS. This means ...
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