init; man page

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SYNOPSIS
       init [OPTION]...

DESCRIPTION
       init  is  the  parent of all processes on the system, it is executed by
       the kernel and is responsible for starting all other processes;  it  is
       the  parent  of all processes whose natural parents have died and it is
       responsible for reaping those when they die.

       Processes managed by init are known as jobs, and can be  further  split
       into  two  types;  services are supervised and respawned if they should
       terminate unexpectedly, and tasks are simply run once and not respawned
       if they should terminate.

       On startup init reads the /etc/event.d directory, each file describes a
       job that should be managed.  This includes the particulars  about  what
       binary  or  shell script code should executed while the job is running,
       and which events can cause the job to be started or stopped.

USAGE
       init is not normally executed by a user process, and expects to have  a
       process  id  of  1.   If this is not the case, it will actually execute
       telinit(8) and pass all arguments to that.  See that  manual  page  for
       further details.

AUTHOR
       Written by Scott James Remnant.

REPORTING BUGS
       Report bugs at https://launchpad.net/products/upstart/+bugs

COPYRIGHT
       Copyright © 2006 Canonical Ltd.
       This is free software; see the source for copying conditions.  There is
       NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR
       PURPOSE.

SEE ALSO
       initctl(8) telinit(8)



Upstart                          October 2006                          init(8)
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