By priority:
	FreeBSD Kernel.Time: clock -> clock_gettime

	switch-target -> switch-dev0, switch-target?

	Console:
		non-blocking (input)
		move to Cons?

		HostConsole, ConsInterp: line length limit

	ConsCompiler:
		interface similar to DevCompiler

	handle SIGTERM in server version (when Kernel.Start used)

	printing (to PostScript)

	Kernel: handle stack overflows
		OpenBSD: 2012.11: sigaltstack & siglongjmp problem,
			see /usr/src/regress/sys/kern/stackjmp
		Linux: no sigaltstack & siglongjmp problem,
			but, before stack overflow SEGV signal, memory of shared library
			on low (active) stack border, is corrupted
		FreeBSD: ???

	FreeBSD Kernel: fix Time*
	FreeBSD: add LinTermios interface; CommV24

	GUI:
		...