ASCII is a 7-bit character set containing 128 characters and stands for the “American Standard Code for Information Interchange”. It was designed in the early 1960′s as a standard character set for computers and hardware devices. It contains the numbers from 0-9, the uppercase and lowercase English letters from A to Z, and some special [...]

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 [...]