atd



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




NAME

       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/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

       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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