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#!/bin/bash
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SEC=5; RET=55
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echo "(le fils): J'ai pour PID:$$"; #points virgules servent à rien
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echo "(le fils): Je vais dormir $SEC s.";
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sleep $SEC;
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echo "(le fils): Je me réveille"
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echo "(le fils): Je retourne la valeur $RET à mon père et me termine"
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exit $RET
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