@PalePimp @lain @sun >multiple disconnected companies working with a common shared core.
The core is GNU, which targets GNU/Hurd or GNU/Linux-libre.

Don't forget that GNU and X11 predate Linux.

>the people who wrote the ls or the cat command do not work for the same company that does the kernel so to speak.
The people who wrote those commands are from GNU and do not work on or for Linux.