runs jobs queued by
must contain the line
*/5 * * * * root /usr/libexec/atrun
is invoked every five minutes.
At every invocation,
starts 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,
checks the status of its owners account with
and refuses to run the job if the account is unavailable,
e.g., locked out or expired.