Quote: <<An 'orphaned process' is one whose parent has exited after creating a
process (that's done via fork and not via execve) and it's not adopted
by the grand parent but by init.>>

So what is the difference between an "orphaned process", i.e. a
process whose parent has exited after giving birth to a child process
and one which replaces the original process effectively giving its
parent a death sentence?

Sorry, but it looks there is only a very subtle difference between the
two. The only difference I see, is that, since in the case of execl,
the parent effectively is replaced, i.e. dies, it is also awarded its
parent PID. This is not the case when a parent process creates a child
process and exits immediately, as the child will have a different PID.

On 05/09/2015, Rainer Weikusat <rainerweikusat@???> wrote:
> Edward Bartolo <edbarx@???> writes:
>
> [...]
>
>> Using "ps xao pid,ppid,comm", I found what I described to you:
>> precisely, that orphaned processes were adopted by the GUI frontend.
>
> There are no 'orphaned processes' in this case because execl does not
> create a new process. It runs a new program in the same process and
> since the parent of this process was the frontend process before the
> execl, it's still the parent of this process afterwards.
>
> An 'orphaned process' is one whose parent has exited after creating a
> process (that's done via fork and not via execve) and it's not adopted
> by the grand parent but by init.
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