[Novices] very simple at commands

[Adam Tauno Williams]

> > Also, I had forgotten (or never knew) that standard output of at gets 
> > mailed.  I don't often use it for echo, as in my example, but is there 
> > any way to send it to the invoking terminal instead?
> Forget "at" and run the above script in the background on the terminal.
> (append a "&" to the end of the command)

This will not work if the machine gets restarted between scheduling and
the event.

> > Maybe I should just remember ^D.  I used to use it 15 years ago for 
> > writing email, after all.  But I can't think of another case where I use 
> > it today.
> Anywhere you need a end-of-file.
> ^D is nice to end a terminal window too.

Honestly, if you want a GOOD schedular then just ditch both AT & CRON
(which are really kissing cousins anyway) and put up a BIE box.
Building intelligently scheduled services are easy with BIE which has
its own schedular, has exception processing, transaction logs, etc... So
even when something goes wrong you've got a pretty good change of
figuring out why, which is hard with cron & at unless you wrote your
script carefully.
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