It appears so.
$ rexxtry
/opt/apps/rexx/rexxtry.rex lets you interactively try REXX statements.
Each string is executed when you hit Enter.
Enter 'call tell' for a description of the features.
Go on - try a few... Enter 'exit' to end.
rc = SysSleep(.0001)
rc = 0 ..... /opt/apps/rexx/rexxtry.rex on LINUX
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How small can the sleep value be? Is call SysSleep(.0001) valid?
It appears so.
$ rexxtry
/opt/apps/rexx/rexxtry.rex lets you interactively try REXX statements.
Each string is executed when you hit Enter.
Enter 'call tell' for a description of the features.
Go on - try a few... Enter 'exit' to end.
rc = SysSleep(.0001)
rc = 0 ..... /opt/apps/rexx/rexxtry.rex on LINUX