A strange issue has been identified in Ubuntu where video takes on a blue colored tint. Other descriptions of the problem include inverted colors, blue skin tones, or distorted video hues. The problems have been reproduced with Totem (Gstreamer), Totem (Xine), Mplayer, as well as VLC and other players. The common theme with this bug [...]

The PS1 environment controls the appearance of the BASH command line prompt. There are a variety of default prompts but they usually include username, hostname, and working directory. You can easily customize your prompt to display information important to you as well as add color and style formatting. Here we can see the default prompt [...]