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Old 08-04-2010, 03:27 AM   #1
Richard.Yang
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one question on process group and session


A session could exist without a leader?

A group could exist without a leader?

The login shell is a orphaned process group?
 
Old 08-04-2010, 03:48 AM   #2
TheIndependentAquarius
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Somehow I've found it difficult to understand what you are asking, but execute the following command, study its output and see if it helps you somehow:
Code:
pstree

Last edited by TheIndependentAquarius; 08-04-2010 at 03:49 AM.
 
Old 08-05-2010, 03:38 AM   #3
Richard.Yang
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Maybe I didn't make myself clear.

There two concepts in linux process, process group and process session.

Group leader could exit before other members.
Session leader could exit before other members?
 
  


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