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atrun(8) [osx man page]

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

atrun -- run jobs queued for later execution SYNOPSIS
The atrun utility runs commands queued by at(1). It is invoked periodically by launchd(8) as specified in the property list. By default the property list contains the Disabled key set to true, so atrun is never invoked. Execute the following command as root to enable atrun: launchctl load -w /System/Library/LaunchDaemons/ FILES
/var/at/jobs Directory containing job files /var/at/spool Directory containing output spool files /var/at/lockfile Job-creation lock file. SEE ALSO
at(1), launchd(8) AUTHOR
Thomas Koenig, Mac OS X March 9, 2008 Mac OS X

Check Out this Related Man Page

ATD(8)							     Linux Programmer's Manual							    ATD(8)

atd - run jobs queued for later execution SYNOPSIS
atd [-l load_avg] [-b batch_interval] [-d] [-s] DESCRIPTION
atd runs jobs queued by at(1). OPTIONS
-l Specifies a limiting load factor, over which batch jobs should not be run, instead of the compile-time choice of 0.8. For an SMP system with n CPUs, you will probably want to set this higher than n-1. -b Specifiy the minimum interval in seconds between the start of two batch jobs (60 default). -d Debug; print error messages to standard error instead of using syslog(3). -s Process the at/batch queue only once. This is primarily of use for compatibility with old versions of at; atd -s is equivalent to the old atrun command. A script invoking atd -s is installed as /usr/sbin/atrun for backward compatibility. WARNING
atd won't work if its spool directory is mounted via NFS even if no_root_squash is set. FILES
/var/spool/atjobs The directory for storing jobs; this should be mode 700, owner at. /var/spool/atspool The directory for storing output; this should be mode 700, owner at. /etc/at.allow, /etc/at.deny determine who can use the at system. SEE ALSO
at(1), atrun(1), cron(8), crontab(1), syslog(3), at.deny(5), at.allow(5). BUGS
The functionality of atd should be merged into cron(8). local Mar 1997 ATD(8)
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