Acroread vs. ctrl/z

Patrick O'Callaghan pocallaghan at gmail.com
Thu Dec 19 23:56:32 UTC 2013


On Thu, Dec 19, 2013 at 11:07 PM, Jonathan Ryshpan <jonrysh at pacbell.net>wrote:

> When Adobe acroread is run from a terminal, ctrl/z doesn't suspend it.
> ^Z appears on the terminal, which hangs until acroread terminates itself
> or ctrl/c is pressed on the terminal.  However "$ acroread &" starts
> acroread in the background and ctrl/z suspends all other programs, as
> expected.  System is Fedora-19 with all updates installed.
>
> Has anyone else seen this?  What's going on?
>

Presumably acroread is trapping the Ctrl-Z. Whether that's a bug or a
feature is a matter of conjecture. Programs can do pretty much what they
like with their controlling terminal. It doesn't mean there's anything
wrong with your system.

poc
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