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I'm not sure whether this is regarding a vim command or a screen command, although I think it's the latter.

I use vim under screen all the time, and every once in a while will hit a key combo that freezes the virtual terminal I'm using.

I can see everything, and I can still issue screen commands on that terminal, but I can't perform any actions within the terminal itself. I can create/flip to other virtual terminals and they all work nicely.

I've no idea what I'm doing to lock up one particular terminal.

Also, searching for answers online, CTRL-Q and CTRL-S are mentioned everywhere. Hitting CTRL-Q does nothing, and given the ambiguity of it, I tried both CTRL-q and CTRL-Q.

--edit--

One other detail is that I'm using a Macbook, but I ~think~ I've had the same problem using KDE/Mint on a PC.

  • Does pressing Ctrl-W in insert mode remove a word? Maybe Ctrl-Q doesn't work because of some terminal oddity? Did you try using Command instead of Ctrl? – NieDzejkob Jan 19 '18 at 15:51
3

These keys are used for XON/XOFF flow control. If flow control is activated then Ctrl-S stops the terminal output. The screen commands still work as they are not part of the controlled terminal.

Ctrl-Q activates the terminal output. Thus it does not make a difference if Ctrl-S has not been pressed before.

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