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I have a similar setup -- Cygwin bash + screen in ConEmu. Ctrl-Z works in both bash and in screen itself. Perhaps you need to upgrade to the latest Cygwin version or maybe you have already gotten past this problem.
I did notice what you were talking about, though, specifically when testing with /bin/sleep.exe
. I can't suspend that with Ctrl-Z in bash, but I can inside of screen. Further, I can suspend it in bash by using kill -17 [pid of running sleep.exe]
from another screen window (Ctrl-Z sends a SIGSTOP
, which kill -l
shows as #17). So, ya got me... something about Cygwin's sleep.exe is funky.
Sorry to reply to an old thread on here, but I was searching for answers on a similar topic -- that of suspended processes in ConEmu in general. I'll post in another thread on that subject.
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ConEmu does not process Ctrl+Z keycombo at all. It is your console application (shell) responsibility.
But you may "pause" console output switching Conemu to alternative buffer, Win+A keycombo by default.
That’s not surprising, since ConEmu is a Windows console emulator, and (Ctrl+Z) –– and process suspension, for that matter –– are alien to Windows. – Scott – 2013-04-10T23:16:31.407
@Scott don't know how exactly "suspension" works in *nix platforms, but ConEmu can pause console output. – Maximus – 2013-04-11T09:46:05.397
Pausing the output with Win+A doesn't seem to let me issue new commands, which is part of what I want to do. I want Unix-style job control (which already works partially - Ctrl-C works as expected). – Morgan May – 2013-04-11T21:21:32.697
Here's where I'm confused: with bash running on Linux, Ctrl-Z works fine. On Windows (using Cygwin), it seems to vary based on console - it works in mintty, but not in ConEmu (or a few others I've tried, like Console2). But (and here's the really confusing part) if I run screen within bash, it seems to work regardless of which console I'm using. So if it always works in screen, why doesn't it always work in bash? – Morgan May – 2013-04-11T21:25:58.637
Why? Obviously, screen supports Ctrl+Z, bash do not supports Ctrl+Z. You may fill new issue on ConEmu project website with feature request (thorough description is required). – Maximus – 2013-04-11T21:29:36.057
Except Ctrl-Z works with bash under mintty. – Morgan May – 2013-04-16T02:38:23.107
Still don't know exactly what Ctrl+Z doing, but suppose that mintty process this hotkey internally. – Maximus – 2013-04-16T21:01:17.033
Cygwin emulates a Unix-style command line for Windows (specifically, the Bash shell). There are various shortcuts that can be used to control running processes. Ctrl-C kills the current process, Ctrl-Z allows you to pause a running process so that you can enter new commands, etc. With Cygwin, some of these shortcuts work no matter which console I'm using (like Ctrl-C), but others only work while using certain consoles. Ctrl-Z works while running Cygwin in mintty, but not in ConEmu or Console2. However, if I use the "screen" program within Cygwin, Ctrl-Z works no matter which console I use. – Morgan May – 2013-04-29T05:15:14.277
What do you want to do with Ctrl+Z? – Maximus – 2013-04-10T11:02:30.920
I want to suspend Unix programs running in Cygwin (I know it won't work with Windows programs). – Morgan May – 2013-04-11T21:17:39.857