Name

echo − echo arguments

Syntax

echo [−n] [arg...]

Description

The echo command writes its arguments separated by blanks and terminated by a new line on the standard output.

Options

−nSuppresses newlines from output. 

The command also understands C-like escape conventions. such as:

\b backspace

\c print line without new-line

\f form-feed

\n new-line

\r carriage return

\t tab

\v vertical tab

\\ backslash

\n the 8-bit character whose ASCII code is the 1-, 2- or 3-digit octal number n, which must start with a zero.

Examples

The echo command is useful for producing diagnostics in shell programs and for writing constant data on pipes. To send diagnostics to the standard error file, type the following:

echo ... 1>&2