atrun man page on FreeBSD

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ATRUN(8)		  BSD System Manager's Manual		      ATRUN(8)

NAME
     atrun — run jobs queued for later execution

SYNOPSIS
     atrun [-l load_avg] [-d]

DESCRIPTION
     Atrun runs jobs queued by at(1).

     Root's crontab(5) file /etc/crontab has to contain the line

     */5     *	     *	     *	     *	     root    /usr/libexec/atrun

     so that atrun gets invoked every five minutes.

     At every invocation, atrun will start all the jobs in the lowercase
     queues whose start time has elapsed.  In addition, if the load average
     over the last minute was less than the specified limit then a maximum of
     one batch job (denoted by the uppercase queues) is started.

     Before starting a job, atrun will check the status of its owner's account
     with pam(3) and refuse to run the job if the account is unavailable,
     e.g., locked out or expired.

OPTIONS
     -l load_avg
	     Specify a limiting load factor, over which batch jobs should not
	     be run, instead of the compiled in default of 1.5.

     -d	     Debug; print error messages to standard error instead of using
	     syslog(3).

WARNINGS
     For atrun to work, you have to start up a cron(8) daemon.

FILES
     /etc/pam.d/atrun  pam.conf(5) configuration file for atrun
     /var/at/jobs      Directory containing job files
     /var/at/spool     Directory containing output spool files

SEE ALSO
     at(1), crontab(1), pam(3), syslog(3), crontab(5), pam.conf(5), cron(8)

BUGS
     The functionality of atrun should be merged into cron(8).

BSD				 June 17, 2007				   BSD
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