where is "at" daemon? - SGI

This is a discussion on where is "at" daemon? - SGI ; if there is one. If not, how "at" works?...

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Thread: where is "at" daemon?

  1. where is "at" daemon?

    if there is one.

    If not, how "at" works?

  2. Re: where is "at" daemon?

    On 14 Nov 2003 14:09:10 -0800, Niy wrote:
    > if there is one.
    > If not, how "at" works?


    There is no separate at daemon. Cron takes care of cron jobs as well
    as at jobs. From the cron manpage:

    "cron executes commands at specified dates and times. Regularly
    scheduled commands can be specified according to instructions found
    in crontab files in the directory /var/spool/cron/crontabs. Users can
    submit their own crontab file via the crontab(1) command. Commands
    that are to be executed only once can be submitted using the at(1)
    command.
    [...]
    Cron also takes care of the execution of jobs issued by at(1) that
    are found in /usr/spool/at/. Cron simply runs the AT job as if there
    were an "sh at-job" as a cron job at the appropriate time under the
    user-id of the owner of the script. The script takes care of the
    rest. See at(1) for the details."


    Gerhard

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