Serial port used for writing kernel output.

Project: give total control to userland over display/input devices.

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+Ideas for T/CE's future :
+
+1. Give control to userland
+
+- Provide IPC : we must implement FIFO's and sockets
+- Do not provide VT emulation, instead provide direct write access to
+the video memory. Also provide direct write access to the framebuffer
+when that is implemented. Then, code a display server that does all the
+emulating.
+
+2. Review file management syscalls
+
+- Should keeping track of file position be the job of the kernel ?
+Not sure...
+- Possibility of mmap'ing files. Consequence : shared memory.
+
+3. Review process management
+
+- fork/exec is cool. How does windows work ?
+- Dynamic linking ? Environment variables ? Users ?
+
+4. Have a graphical user interface, just for fun. Then add a few simple
+programs, just for fun.o
+