diff --git a/chp6_scheduler/test_thread_scope.c b/chp6_scheduler/test_thread_scope.c
new file mode 100644
index 0000000..4355309
--- /dev/null
+++ b/chp6_scheduler/test_thread_scope.c
@@ -0,0 +1,20 @@
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  int scope;
+  pthread_attr_t attr;
+
+  pthread_attr_init(&attr);
+  pthread_attr_setscope(&attr, PTHREAD_SCOPE_PROCESS);
+
+  if (pthread_attr_getscope(&attr, &scope) != 0) {
+    fprintf(stderr, "Scope not found");
+    return EXIT_FAILURE;
+  } else {
+    printf("The current scope is %d\n", scope);
+  }
+
+  return EXIT_SUCCESS;
+}
diff --git a/chp7_deadlock/.gitkeep b/chp7_deadlock/.gitkeep
new file mode 100644
index 0000000..e69de29