In many cases it can be helpful to access text from within a PDF file but accomplishing this can be next to impossible. Luckily in Linux there is a command line program called pdftotext which is included with the xpdf package.
This first step is making sure that the xpdf package is installed. In Ubuntu [...]

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 is [...]