Running a script at boot

[Steven Stern]

Claude Jones wrote:
> On Sun August 7 2005 3:35 pm, Steven Stern wrote:
> 
> 
>>See "man 5 crontab"
>>
>>  These  special  time  specification  "nicknames"  are  supported, which
>>        replace the 5 initial time and date fields, and are prefixed by
>>the ’@’
>>        character:
>>        @reboot    :    Run once, at startup.
>>        @yearly    :    Run once a year, ie.  "0 0 1 1 *".
>>        @annually  :    Run once a year, ie.  "0 0 1 1 *".
>>        @monthly   :    Run once a month, ie. "0 0 1 * *".
>>        @weekly    :    Run once a week, ie.  "0 0 * * 0".
>>        @daily     :    Run once a day, ie.   "0 0 * * *".
>>        @hourly    :    Run once an hour, ie. "0 * * * *".
>>
> 
> 
> I just read this, because I'm interested as well. It raises a question. 
> Doesn't the Linux boot-sequence have a very specific ordering, with the 
> number values of each service determining their sequence in the stack, and 
> rc.local being last? If so, when does the script get executed using the 
> crontab @reboot method? There didn't seem to be anything in the man page 
> about that - am I missing something? 

in /etc/rc3.d, cron is started by S90cron.  So, it runs very soon after 
cron starts.  At startup, the "S" files are executed in order.

-- 

   Steve