echo

write arguments to standard output

TLDR

Print a text message. Note: quotes are optional

$ echo "[Hello World]"

Print a message with environment variables

$ echo "[My path is $PATH]"

Print a message without the trailing newline

$ echo -n "[Hello World]"

Enable interpretation of backslash escapes (special characters)

$ echo -e "[Column 1\tColumn 2]"

SYNOPSIS

echo [SHORT-OPTION]... [STRING]...
echo LONG-OPTION

DESCRIPTION

Echo the STRING(s) to standard output.

-n: do not output the trailing newline
-e: enable interpretation of backslash escapes
-E: disable interpretation of backslash escapes (default)
--help: display this help and exit
--version: output version information and exit

If -e is in effect, 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)

NOTE: your shell may have its own version of echo, which usually supersedes the version described here. Please refer to your shell's documentation for details about the options it supports.

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>

Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

AUTHOR

Written by Brian Fox and Chet Ramey.