atd - Unix, Linux Command


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.Id $Id: atd.8.in,v 1.6 1997/09/28 20:00:26 ig25 Exp $

NAME

atd - run jobs queued for later execution

SYNOPSIS

atd [-l load_avg] [-b batch_interval] [-d] [-s] [-n]

DESCRIPTION

atd runs jobs queued by at(1) .

OPTIONS

TagDescription
-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.
-n Don’t fork option.

WARNING

atd won’t work if its spool directory is mounted via NFS even if no_root_squash is set.

FILES

/var/spool/at The directory for storing jobs; this should be mode 700, owner root.

/var/spool/at/spool The directory for storing output; this should be mode 700, owner root.

/etc/at.allow, /etc/at.deny determine who can use the at system.

SEE ALSO

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