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Annotate ^Y/DSUSP issue on BSDs caused by stty

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On at least FreeBSD & OpenBSD, typing `^Y` will send a `DSUSP` signal, suspending the process. Annotate the issue along with a solution to allow `^Y` to work on these.

There may be similar issues on NetBSD or possibly on OSX, but I don't have either available for testing.
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Tim Chase 2018-11-22 14:08:50 -06:00 committed by GitHub
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@ -504,6 +504,10 @@ Enable volume management in your DE file manager and set removable drives or med
`nnn` might not handle keypresses correctly when used with tmux (see issue #104 for more details). Set `TERM=xterm-256color` to address it. `nnn` might not handle keypresses correctly when used with tmux (see issue #104 for more details). Set `TERM=xterm-256color` to address it.
#### BSD terminal issue
By default in OpenBSD & FreeBSD, `stty` maps `^Y` to `DSUSP`. This means that typing `^Y` will suspend `nnn` as if you typed `^Z` (you can bring `nnn` back to the foreground by issuing `fg`) instead of entering multi-copy mode. You can check this with `stty -a`. If it includes the text "`dsusp = ^Y`", issuing `stty dsusp undef` will disable this `DSUSP` and let `nnn` receive the `^Y` instead.
#### WHY FORK? #### WHY FORK?
`nnn` was initially forked from [noice](http://git.2f30.org/noice/) but is significantly [different](https://github.com/jarun/nnn/wiki/nnn-vs.-noice) today. I chose to fork because: `nnn` was initially forked from [noice](http://git.2f30.org/noice/) but is significantly [different](https://github.com/jarun/nnn/wiki/nnn-vs.-noice) today. I chose to fork because: