That's handled by another category of application that sits atop X Windows, called a window manager.

The company has also announced a real-time version of X Window, which it says it is perfectly happy to licence to other interested parties.

Prior to this, monitoring tools were generally console based, or required graphic terminals such as X Window to operate.

Under X Window, the user can also retrieve data from several sources simultaneously and switch between applications.

It is also likely to be compatible with other Unix-like systems which use X Window.

This is the norm under X Window.

Cornflower blue is a defined color in the X Window (X11) color scheme.

Portability is restricted to systems running X Window (essentially the Unix world).

X Windows is going to be around for a very very very long time.

X Windows is also useful for word-processing applications that display text just as it would appear on paper.