[caiobegotti]

You'd be surprised how faster the boot time back in those days got simply by disabling the kernel's printk! It was mostly for fun, of course, and there were alternative special-purposed inits too. I worked on a couple low-tier "netbooks" projects and the fastest we got was between 7-10 seconds but it wasn't worth the trouble and 15-30 seconds of boot time [to a fully functional desktop] back in 2008 was already fantastic anyway.