OS Dev

I'm writing an OS and I've got a bootloader which prints a single line of text to the screen. Question: what do I do now? I tried a barrel roll, putting it in her pooper, recompiling the kernel, installing Opera and Firefox, and indenting my code properly, but none of those have seemed to have worked.

Here is a task list to get you started:
* CPU Scheduler (not too hard)
* Memory/Virtual Memory/Pagefault-handler. A bit trickier
* Interrupt handling
* Drivers (wee!)
* A file system