make object files in Clean System Files folder

main/Unix/Makefile

@@ -2,4 +2,17 @@ CC=gcc
 CFLAGS=-pedantic -Wall -W -O
 CPPFLAGS=
 
-all: cDirectory.o ipc.o set_return_code_c.o
+all: cDirectory.o ipc.o set_return_code_c.o \
+	Clean\ System\ Files/cDirectory.o \
+	Clean\ System\ Files/ipc.o \
+	Clean\ System\ Files/set_return_code_c.o
+
+Clean\ System\ Files/cDirectory.o : cDirectory.c
+	$(CC) -c $(CFLAGS) $< -o "$@"
+
+Clean\ System\ Files/ipc.o : ipc.c
+	$(CC) -c $(CFLAGS) $< -o "$@"
+
+Clean\ System\ Files/set_return_code_c.o : set_return_code_c.c
+	$(CC) -c $(CFLAGS) $< -o "$@"
+