diff --git a/0x0B-more_malloc_free/0-main.c b/0x0B-more_malloc_free/0-main.c
new file mode 100644
index 0000000..fca2eec
--- /dev/null
+++ b/0x0B-more_malloc_free/0-main.c
@@ -0,0 +1,31 @@
+#include "holberton.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+
+/**
+ * main - check the code for Holberton School students.
+ *
+ * Return: Always 0.
+ */
+int main(void)
+{
+    char *c;
+    int *i;
+    float *f;
+    double *d;
+
+    c = malloc_checked(sizeof(char) * 1024);
+    printf("%p\n", (void *)c);
+    i = malloc_checked(sizeof(int) * 402);
+    printf("%p\n", (void *)i);
+    f = malloc_checked(sizeof(float) * 100000000);
+    printf("%p\n", (void *)f);
+    d = malloc_checked(INT_MAX);
+    printf("%p\n", (void *)d);
+    free(c);
+    free(i);
+    free(f);
+    free(d);
+    return (0);
+}
diff --git a/0x0B-more_malloc_free/0-malloc_checked.c b/0x0B-more_malloc_free/0-malloc_checked.c
new file mode 100644
index 0000000..e745730
--- /dev/null
+++ b/0x0B-more_malloc_free/0-malloc_checked.c
@@ -0,0 +1,17 @@
+#include "holberton.h"
+/**
+ * malloc_checked - alloctes memory using malloc.
+ * @b: size.
+ * Return: returns pointer, otherwise 98 on fail.
+ */
+void *malloc_checked(unsigned int b)
+{
+	void *temp;
+
+	temp = malloc(b);
+	if (temp == NULL)
+	{
+		exit(98);
+	}
+	return (temp);
+}
diff --git a/0x0B-more_malloc_free/README.md b/0x0B-more_malloc_free/README.md
new file mode 100644
index 0000000..5f8f7af
--- /dev/null
+++ b/0x0B-more_malloc_free/README.md
@@ -0,0 +1,3 @@
+0x0B-more_malloc_free
+
+add content here...
diff --git a/0x0B-more_malloc_free/_putchar.c b/0x0B-more_malloc_free/_putchar.c
new file mode 100644
index 0000000..713bea1
--- /dev/null
+++ b/0x0B-more_malloc_free/_putchar.c
@@ -0,0 +1,13 @@
+#include <unistd.h>
+
+/**
+ *  * _putchar - writes the character c to stdout
+ *   * @c: The character to print
+ *    *
+ *     * Return: On success 1.
+ *      * On error, -1 is returned, and errno is set appropriately.
+ *       */
+int _putchar(char c)
+{
+	return (write(1, &c, 1));
+}
diff --git a/0x0B-more_malloc_free/a b/0x0B-more_malloc_free/a
new file mode 100755
index 0000000..f8b43c4
Binary files /dev/null and b/0x0B-more_malloc_free/a differ
diff --git a/0x0B-more_malloc_free/holberton.h b/0x0B-more_malloc_free/holberton.h
new file mode 100644
index 0000000..0b0248c
--- /dev/null
+++ b/0x0B-more_malloc_free/holberton.h
@@ -0,0 +1,10 @@
+#ifndef HOLBERTON
+#define HOLBERTON
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void *malloc_checked(unsigned int b);
+int _putchar(char c);
+
+#endif