Luckly Android, ChromeOS and WebOS as proper Linux distributions have replaced most of it.
ChromeOS hasn't displaced Linux on school laptops, there wasn't any.
LG WebOS hasn't displaced "Linux", it competes with Google TV (formerly Android TV)
So here goes a children explanation.
> Unfortunely I still have to, from time to time.
I, pjmlp, still have to use GNU/Linux desktop from time to time.
> Luckly Android, ChromeOS and WebOS as proper Linux distributions have replaced most of it.
Android, ChromeOS and WebOS, have replaced most of my needs, pjmlp, for GNU/Linux in the desktop and similar devices.