Important concepts about Unix Pipes architectures

• Unix Pipes - Annotated
  UNIX pipe concepts
  tags: unix pipes
  • 
    One important thing to note here is that each process in the pipeline is a child of the original child of the shell (pid 202)
    
  • 
    They are not children of each other the further down the pipeline we go
    
  • 
    Another thing to note is that only the shell (process 163) executes a wait. All the others simply die after they exec their respective command
    

Posted from Diigo. The rest of my favorite links are here.