Ubuntu people, I have but one question: can I open a terminal window from that tablet? a text editor? get to Firefox' developer tools? Do you see where I'm go

Ubuntu people, I have but one question: can I open a terminal window from that tablet? a text editor? get to Firefox' developer tools? Do you see where I'm going with this? (That must be possible, they demo Gimp in the video. Yet, that's what I hated in tablets: I couldn't use them.)