I typed x into bash, and some weird stuff happened.
If I do:
command -v x
I get this output:
looks like something to do with XCode, does anyone know how I could find more info? (There is 'No manual entry for x').
/opt/X11/bin/X (/opt/X11/bin/x) is a symbolic link to
The XQuartz project is an open-source effort to develop a version of the X.Org X Window System that runs on OS X. Together with supporting libraries and applications, it forms the X11.app that Apple shipped with OS X versions 10.5 through 10.7.
Visit the official site at https://www.xquartz.org
XQuartz supports running X11 apps in OS/X / MacOS, and from 10.8 onwards it is not installed by default anymore ; it has to be installed by the user.