Unix Tools - echo Command

Use echo command to display text or value of variable.
echo [options] [string, variables...]
Displays text or variables value on screen.
Options
-n Do not output the trailing new line.
-e Enable interpretation of the following backslash escaped characters in the strings: \a alert (bell)
\b backspace
\c suppress trailing new line
\n new line
\r carriage return
\t horizontal tab
\\ backslash
For e.g. $ echo -e "An apple a day keeps away \a\t\tdoctor\n"
How to display colorful text on screen with bold or blink effects, how to print text on any
row, column on screen, click here for more!