How to change back to the console when stucked by the desktop environment

[RW]

On Sat, 16 Jul 2016 20:56:01 +0800
Yubin Ruan wrote:

> Hi,
> I just tried FreeBSD-10.3 stable and get stuck when trying to use the 
> Mate desktop environment. I use Slim as the login manager. But when I 
> try to login, with correct username and passwd, Slim tell me that
>      "Failed to execute login command"
> (Any idea why would that happen?)
> So I try to switch back to the console use "Alt-F1...Alt-F8", which
> is suggested by the doc. But that doesn't work. Why ?
> 
> How can I switch back to the console to tune the system?

try control-alt-F<n>