diff --git a/src/kernel/task.c b/src/kernel/task.c
new file mode 100644
index 0000000..b4c1b33
--- /dev/null
+++ b/src/kernel/task.c
@@ -0,0 +1,61 @@
+#include "task.h"
+#include "alloc.h"
+#include "io.h"
+#include "paging.h"
+
+uint clone_page_table(uint table)
+{
+	// is this table a 4mb mapping OR is it not mapped?
+	// See Intel manual volume 3 figure 4-4.
+
+	if (table & 1 << 7 || !(table & 1))
+	{
+		// if so, return as is, 4mb mappings only used by kernel and should
+		// be mapped to the same location
+		return table;
+	}
+	else
+	{
+		// else, look for the used pages in this table, copy them to a new
+		// frame, and store them in a new table, then return that table
+		// TODO: add copy on write
+
+		uint new_p;
+		uint *new = kmalloc_ap(sizeof(uint[1024]), (void **)&new_p);
+
+		// We don't care about the lower 12 bits, just want the address
+		uint *old_virt = PHYS_TO_VIRT((uint *)(table ^ 0xfff));
+
+		for (int i = 0; i < 1024; i++)
+		{
+			if (old_virt[i] & 1)
+			{
+				// If mapped
+
+				// again, don't care about bottom 12 bits
+				uchar *old_page = PHYS_TO_VIRT(old_virt[i] ^ 0xfff);
+
+				alloc_frame(&new[i], BOOL(old_virt[i] & 1 << 2),
+							BOOL(old_virt[i] & 1 << 1));
+
+				uchar *new_page = PHYS_TO_VIRT(new[i] ^ 0xfff);
+				memcpy(new_page, old_page, 0x1000);
+			}
+		}
+
+		return new_p | (table & 0xfff); // same lower 12 bits
+	}
+}
+
+uint *clone_page_directory(uint *dir)
+{
+	uint new_p;
+	uint *new = kmalloc_ap(sizeof(uint[1024]), (void **)&new_p);
+
+	for (int i = 0; i < 1024; i++)
+	{
+		new[i] = clone_page_table(dir[i]);
+	}
+
+	return new;
+}