Deamon to execute a program automatically

[Matt Smith]

In article <1991Jan22.174347.5680 at jato.jpl.nasa.gov> khioe at mona.Jpl.Nasa.Gov (Kent Hioe) writes:
>
>Hi, I need some information on how to create a deamon from the Xenix-OS.
>
>I would like to create a deamon that will execute a program at certain time
>every night. How can I do that ?
>
>ie, at 2:00 am I would like to execute data backup automatically.

It already exists.  Look in your manual under cron(C) in your user
reference manual