With respect to interactive programs in a pipeline, this can already work today if the software is written to allow it. While it is common for interactive soft

With respect to interactive programs in a pipeline, this can already work today if the software is written to allow it. While it is common for interactive software to use the standard descriptors for I/O they are not required to. You can instead open the magic device, /dev/tty, which gets you new handles to the controlling terminal for the process.