# ATD - run jobs queued for later execution - man - [phpMan]

[_ATD_(8)](https://www.chedong.com/phpMan.php/man/ATD/8/markdown)                                 System Manager's Manual                                [_ATD_(8)](https://www.chedong.com/phpMan.php/man/ATD/8/markdown)

## NAME
       atd - run jobs queued for later execution

## SYNOPSIS
       **atd **[**-l _**load_avg_] [**-b _**batch_interval_] [**-d**] [**-f**] [**-s**]

## DESCRIPTION
       **atd **runs jobs queued by [**at**(1)](https://www.chedong.com/phpMan.php/man/at/1/markdown)**.**

## OPTIONS
### -l      
               the  compile-time  choice  of  1.5.  For an SMP system with _n_ CPUs, you will probably
               want to set this higher than _n-1._

### -b      
               fault).

### -d      
               tion also implies **-f**.

### -f      

### -s      
               with old versions of **at**; **atd -s **is equivalent to the old **atrun **command.

## WARNING
       **atd **won't work if its spool directory is mounted via NFS even if _no_root_squash_ is set.

## FILES
       _/var/spool/cron/atjobs_ The directory for storing jobs; this should be mode 700, owner daemon.

       _/var/spool/cron/atspool_ The directory for storing output; this should be mode 700, owner dae‐
       mon.

       _/etc/at.allow_, _/etc/at.deny_ determine who can use the **at **system.

## SEE ALSO
       [**at**(1)](https://www.chedong.com/phpMan.php/man/at/1/markdown), [**at.deny**(5)](https://www.chedong.com/phpMan.php/man/at.deny/5/markdown), [**at.allow**(5)](https://www.chedong.com/phpMan.php/man/at.allow/5/markdown), [**cron**(8)](https://www.chedong.com/phpMan.php/man/cron/8/markdown), [**crontab**(1)](https://www.chedong.com/phpMan.php/man/crontab/1/markdown), [**syslog**(3)](https://www.chedong.com/phpMan.php/man/syslog/3/markdown).

## BUGS
       The functionality of **atd **should be merged into [**cron**(8)](https://www.chedong.com/phpMan.php/man/cron/8/markdown)**.**

                                             2009-11-14                                       [_ATD_(8)](https://www.chedong.com/phpMan.php/man/ATD/8/markdown)