[TUHS] Were cron and at done at the same time? Or one before the other?

[Larry McVoy]

Doesn't it stand to reason that cron would come first, isn't at implemented
with an entry in a crontab?

On Tue, Dec 08, 2020 at 10:51:05AM -0800, Mary Ann Horton wrote:
> My V6 manual has cron(VIII) - documentation of /usr/lib/crontab - but no
> mention of at.
> 
> This is consistent with my recollection - I first saw at in V7.
> 
> ?????? Mary Ann
> 
> On 12/8/20 10:11 AM, ron minnich wrote:
> >When I got into Unix in 1976 cron and at were both there.
> >
> >I got to wondering for no particular reason which came first -- I had
> >always assumed cron, but ...?
> >
> >Anyone know?

-- 
---
Larry McVoy            	     lm at mcvoy.com             http://www.mcvoy.com/lm