1.\" $Id: atrun.man,v 1.5 1998/07/01 05:47:58 jkoshy Exp $ 2.Dd April 12, 1995 3.Dt ATRUN 8 4.Os FreeBSD 2.1 5.Sh NAME 6.Nm atrun 7.Nd run jobs queued for later execution 8.Sh SYNOPSIS 9.Nm atrun 10.Op Fl l Ar load_avg 11.Op Fl d 12.Sh DESCRIPTION 13.Nm Atrun 14runs jobs queued by 15.Xr at 1 . 16.Pp 17Root's 18.Xr crontab 5 19file 20.Pa /etc/crontab 21has to contain the line 22.nf 23*/5 * * * * root /usr/libexec/atrun 24.fi 25so that 26.Xr atrun 8 27gets invoked every five minutes. 28.Pp 29At every invocation, 30.Nm 31will start all the jobs in the lowercase queues whose start 32time has elapsed. 33In addition, if the load average over the last minute was less than 34the specified limit then a maximum of one batch job (denoted by the 35uppercase queues) is started. 36.Sh OPTIONS 37.Bl -tag -width indent 38.It Fl l Ar load_avg 39Specify a limiting load factor, over which batch jobs should 40not be run, instead of the compiled in default of 1.5. 41.It Fl d 42Debug; print error messages to standard error instead of using 43.Xr syslog 3 . 44.El 45.Sh WARNINGS 46For 47.Nm 48to work, you have to start up a 49.Xr cron 8 50daemon. 51.Sh FILES 52.Bl -tag -width /var/at/spool -compact 53.It Pa /var/at/spool 54Directory containing output spool files 55.It Pa /var/at/jobs 56Directory containing job files 57.El 58.Sh SEE ALSO 59.Xr at 1 , 60.Xr crontab 1 , 61.Xr syslog 3 , 62.Xr crontab 5 , 63.Xr cron 8 64.Sh BUGS 65The functionality of 66.Nm 67should be merged into 68.Xr cron 8 . 69