On Fri 13 Jan 2012 at 16:21:11 +0530, Bijoy Lobo wrote: > I have read online that Debian Squeeze has no differentiation in runlevels > from 2-5, although I would like to boot my debian box in CLI mode. Any way > I can achieve this? Your box already boots in CLI mode, it's just that you don't immediately see it when using a Display Manager. CTRL+ALT+F1 will get you there. However, if you mean you do not want X to start you have Tom H's neat solution.