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Annotation of coherent/a/usr/man/COHERENT/atrun, revision 1.1

1.1     ! root        1: 
        !             2: 
        !             3: atrun                   System Maintenance                  atrun
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        !             8: Execute commands at a preset time
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        !            11: atrun is  a program that executes  programs at a time  set by the
        !            12: command at.
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        !            14: When user steve types
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        !            16: 
        !            17:         at 1230 /v/steve/lunchtime
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        !            20: the command at  creates a shell script in directory /usr/spool/at
        !            21: that   contains  the  information   needed  to   execute  command
        !            22: /v/steve/lunchtime at  a later time  -- in this  instance, 12:30.
        !            23: The  spooled file sits   /usr/spool/at until  /usr/lib/atrun sees
        !            24: that the  specified time has  been reached, then  it executes the
        !            25: spooled command and removes the entry from /usr/spool/at.
        !            26: 
        !            27: atrun is not a daemon; that is, it is invoked by another program,
        !            28: does its work and  exits.  Thus, it is typically run periodically
        !            29: from an  entry in the file /usr/lib/crontab.   See the article on
        !            30: at for more details.
        !            31: 
        !            32: ***** See Also *****
        !            33: 
        !            34: at, system maintenance
        !            35: 
        !            36: ***** Notes *****
        !            37: 
        !            38: Although  atrun  technically  is  a  command,  is  never  invoked
        !            39: directly by a user.
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        !            64: COHERENT Lexicon                                           Page 1
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