Understanding the KDE desktop
With all the different desktop environments available for Linux, your options are endless. In the Linux world, we have GNOME, Cinnamon, Xfce, MATE, Pantheon, Unity, Openbox, KDE, and others from which you can choose. The benefit is that if you don't like one interface, you can use another, though finding your favorite can take a bit of research.
The K Desktop Environment (KDE) has been around for quite a while and is actually one of the oldest of the Linux graphical environments. It largely competed with the GNOME desktop in the early days, and for the most part, the decision of which user interface to install basically revolved around those two environments. Back then, the GNOME desktop largely resembled the user interface used by Mac while KDE looked closer to Windows. However, today, GNOME doesn't resemble the Macintosh platform anymore, and KDE has also developed an aesthetic of its own. Even today, many debates on the "best" desktop...