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 # philosophers
 
-philosophers project of school 42
+philosophers project of school 42.
+
+Learning about threads, process, mutex and semaphore.
+
+## Usage
+
+```command
+$ make philo_one
+$ ./philo_one/philo_one 4 410 200 200
+$ make philo_two
+$ ./philo_two/philo_two 4 410 200 200
+$ make philo_three
+$ ./philo_three/philo_three 4 410 200 200
+```
+
+### Kill zombie process after Ctrl-C on philo_three
+
+```command
+$ ./clean_philo_three
+```