Echo Command
Echo is a shell built-in command used to display a line of text on standard output.
echo with -e option enables interpretation of backslash escapes
Some backslashes used for different purpose are:
\\
|
backslash
|
\a
|
alert (BEL)
|
\b
|
backspace
|
\c
|
suppress trailing newline
|
\f
|
form feed
|
\n
|
new line
|
\r
|
carriage return
|
\t
|
horizontal tab
|
\v
|
vertical tab
|