.TH ECHO 1 
.SH NAME
echo \- echo arguments
.SH SYNOPSIS
.B echo
[
.B \-n
] [
.B \-e
]
[ arg ] ...
.SH DESCRIPTION
.I echo
writes its arguments separated by blanks and terminated by
a newline on the standard output.
Option
.B \-n
suppresses the newline.
.PP
Option 
.B \-e
enables the interpretation of C-style escape codes,
\\b, \\f, \\n, \\r, \\t, \\\\, and 
.RI \e ddd,
where
.I d
is an octal digit,
plus the special code \\c, which terminates the output.
.PP
.I echo
is useful for producing diagnostics in
shell programs and for writing constant data on pipes.
To send diagnostics to the standard error file, do
`echo ... 1>&2'.