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Operating Systems OS X (Apple) Using at utility on 10.8.2 not working Post 302710665 by sakurashinken on Thursday 4th of October 2012 04:18:37 PM
Old 10-04-2012
I did that, and it still didn't work. When you say "you need to start the cron daemon" do you mean I can't use at and need to use cron or that at relies on the cron daemon?

If so, what is a good way to start cron? classic crontab -e and enter some jobs? I'm working with a classic unix book, and thus far have found everything to work through the bash terminal in a pretty predictable way, until now. I know that Apple built a bunch of tools on top of the basic unix and that laucnhd has taken the place of cron and other traditional daemons - is that what we are dealing with here?
 

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CRON(8) 						      System Manager's Manual							   CRON(8)

NAME
cron - daemon to execute scheduled commands (Vixie Cron) SYNOPSIS
cron DESCRIPTION
Cron should be started from /etc/rc or /etc/rc.local. It will return immediately, so you don't need to start it with '&'. Cron searches /var/spool/cron for crontab files which are named after accounts in /etc/passwd; crontabs found are loaded into memory. Cron also searches for /etc/crontab and the files in the /etc/cron.d/ directory, which are in a different format (see crontab(5)). Cron then wakes up every minute, examining all stored crontabs, checking each command to see if it should be run in the current minute. When execut- ing commands, any output is mailed to the owner of the crontab (or to the user named in the MAILTO environment variable in the crontab, if such exists). Additionally, cron checks each minute to see if its spool directory's modtime (or the modtime on /etc/crontab) has changed, and if it has, cron will then examine the modtime on all crontabs and reload those which have changed. Thus cron need not be restarted whenever a crontab file is modified. Note that the Crontab(1) command updates the modtime of the spool directory whenever it changes a crontab. SEE ALSO
crontab(1), crontab(5) AUTHOR
Paul Vixie <paul@vix.com> 4th Berkeley Distribution 20 December 1993 CRON(8)
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