-s
Do not separate arguments with spaces.
-E
Disable interpretation of backslash escapes (default).
-e
Enable interpretation of backslash escapes.
Unlike other shells, this echo accepts
--
to signal the end of the options.
Escape Sequences
If
-e
is used, the following sequences are recognized:
\
backslash
\a
alert (BEL)
\b
backspace
\c
produce no further output
\e
escape
\f
form feed
\n
new line
\r
carriage return
\t
horizontal tab
\v
vertical tab
\0NNN
byte with octal value NNN (1 to 3 digits)
\xHH
byte with hexadecimal value HH (1 to 2 digits)
Example
> echo 'Hello World'
Hello World
> echo -e 'Top\nBottom'
Bottom
> echo -- -n
