Re: I need help understanding /proc/sys/kernel/core_pattern

[Sam Varshavchik]

Jeremy Nicoll - ml fedora writes:
> On 2019-08-12 02:01, Sam Varshavchik wrote:
> > ToddAndMargo via users writes:
> > > What does this do?
> > >  # echo core > /proc/sys/kernel/core_pattern
> > This will, instead, create a plain file called
> > "core" in the executable's directory.
>
> Excuse my interruption, but why would that create a file named
> 'core'?   Why doesn't it just place 'core' in the named file?

That's not a named file, but a device. And this uses the device to configure  
the kernel to create a plain file named "core" in the event that a process  
faults and wants to generate a core dump.