Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Choose the xfce-session option (in our case, 3) and press Enter."

Any command-line input or output is written as follows:

update-alternatives --config x-session-manager

Bold: Indicates a new term, an important word, or words that you see on screen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "In the Payloads tab, we select the Payload type as Extension-generated."