Take a look at /var/at/jobsand see if your assignments are listed there. (This may be another OS based directory).
The default is atnot used on most systems. In order for the atjobs to actually run, the atrun command must be executed .
This command is executed either through launchd or through cron , depending on the system.
, at, atrun .., , at , . ant allow, ant deny, . , deny.
, , at (- ).