PS1

If you need to call attention to a message within your script, a splash of color is often the best way to get noticed in the sea of monochrome text. The standard ANSI escape codes are supported at most consoles, and in its simplest form can be used like this: RED=’\033[0;31m’ GREEN=’\033[0;32m’ NC=’\033[0m’ echo -e … Bash: Outputting text in color for readability