Delayed job execution and batch processing - seconds precision edition
 At and batch read shell commands from standard input
 storing them as a job to be scheduled for execution in the
 future.
 .
 Use
  at    to run the job at a specified time
  batch to run the job when system load levels permit
 .
 Improvements
  * Seconds you specify by `-t' option will be honored
  * Job executed with the current SHELL 
  * Add `X-Atd-Job' header in report Email
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