diff --git a/src/.gitignore b/src/.gitignore
index ee111f6..f9ddb8c 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -1,6 +1,4 @@
 *
 !.gitignore
-!cat.c
-!touch.c
-!yes.c
+!*.c
 !Makefile
diff --git a/src/Makefile b/src/Makefile
index 0bf4ab2..0cbf7f3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,13 +1,15 @@
-CC = gcc
+CC= gcc
+SRCFILES= cat.c touch.c yes.c mkdir.c
+OBJFILES= cat touch yes mkdir
 CFLAGS= -Wall -Wextra
-LFLAGS=
 
-all: cat touch yes
+.PHONY: all clean
 
-main: $(OBJFILES) 
-	$(CC) cat.c -o cat
-	$(CC) touch.c -o touch
-	$(CC) yes.c -o yes
+all:	
+	$(CC) $(CFLAGS) cat.c -o cat	
+	$(CC) $(CFLAGS) touch.c -o touch
+	$(CC) $(CFLAGS) yes.c -o yes
+	$(CC) $(CFLAGS) mkdir.c -o mkdir
 
-test: main
-	./cat ../tests/test.txt
+clean:
+	@rm ${OBJFILES}
diff --git a/src/mkdir.c b/src/mkdir.c
new file mode 100644
index 0000000..d9e202f
--- /dev/null
+++ b/src/mkdir.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <sys/stat.h>
+
+int main(int argc, char *argv[]){
+  mode_t mode = 0755;
+  for (int i = 1; i < argc; i++) {
+    mkdir(argv[i], mode);
+  }
+}