Terminal randomly disappears from Alt-Tab list, Unity launcher.

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http://askubuntu.com – I like the terminal, it's handy to have open but this happens eveytime: open terminal type something in it switch to another program dammit terminal is closed :-/ This happens even if I just type something in the command line and leave it there, or if I open a program through the command line or if I'm just looking through my folders... edit Sorry this is the true chain of events: List item open terminal switch to another program alt-tab doesn't display it click on terminal in the task bar opens new terminal (HowTos)