As long as you do not run SAS with token authentication (and a generic user on the backend), there's really nothing you must do. Users save their code to .sas files on the server, log on to the server with any SSH client, and use the method I described previously to run the code in batch. Once it is verified that the code does run in batch correctly, you can use the UNIX system's cron tool to schedule the jobs.
Search the net for the documentations of the at and crontab commands.
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