Your PC boots in 16 bit real mode because Intel is too locked into x86 to get rid of legacy modes and instructions. A proper architecture starts in its intended

Your PC boots in 16 bit real mode because Intel is too locked into x86 to get rid of legacy modes and instructions. A proper architecture starts in its intended mode. But I agree, adding all this fluff to a shell is a bit much. I use bash and keep ls colors disabled.