KDE

Background : KDE (K Desktop Environment) is a desktop environment for Linux.

KDE 2 (2000-2002)

Nicknames : "KDE Gear”

Screen : TBA

FX/SFX : TBA.

Startup Sound (Music/Sounds) : A slow build-up that ends with a clang.

Availability : Ultra Rare. Seen on Linux distros with KDE 2.0.

Scare Factor : Minimal to low.

KDE 3 (2002-2008)

Nicknames : "KDE Gear II”

Screen : TBA

FX/SFX : The icons appearing.

Startup Sound (Music/Sounds) : A magical-like synth tune that ends with a bass note.

Availability : Rare. Seen on Linux distros with KDE 3.0.

Scare Factor : None.

KDE 4 (Early 2008-2014)

Nicknames : "KDE Gear III”

Screen : Same as before, but this time on a panel.

FX/SFX : Same as before. For the later variant, the rectangle popping up and the download bar.

Startup Sound (Music/Sounds) : Availability : Rare. Seen on Linux distros with KDE 4.0.
 * Startup : A ascending calm and peaceful piano tune.
 * Shutdown : A descending piano tune based off of the startup sound.

Scare Factor : None to minimal. The piano tune is relaxing.

KDE 5 (2014-)

Nicknames : "KDE Gear IV”

Screen : On a black background, there are three dots next to a greater than symbol (>). There is a spinning wheel at the bottom as well the text "Plasma made by KDE" in the bottom left corner.

FX/SFX : The loading wheel spinning.

Startup Sound (Music/Sounds) : Same as before.

Availability : Uncommon. Seen on PCs with the Plasma 5.

Scare Factor : Same as before.