diff --git a/Exemples/04-Exec/exoDuCours.c b/Exemples/04-Exec/exoDuCours.c
new file mode 100644
index 0000000..d66bcd8
--- /dev/null
+++ b/Exemples/04-Exec/exoDuCours.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+int main(int argc, char *argv[]) {
+	pid_t pid;
+	
+	pid = fork();
+	
+	if (pid == 0) {
+		if (execlp("ps", "ps", "-l", NULL) == -1)
+			{ 
+				perror("dans le exec");
+				exit (0);
+			}
+		
+	} else {
+		wait(NULL);
+	}
+	return EXIT_SUCCESS;
+}
\ No newline at end of file