echo

Echo

echo bonjour
/bin/echo bonjour

echo simple

echo -n simple

echo -n -n -nnnn -nnnnm

echo hi
echo
echo
echo

echo
echo
echo
echo working

echo a

echo "	tab	"

echo					tab

echo                                                                                space

echo hello world

echo -n

echo -n a

echo -n hello world

echo -nnnnnnnn

echo -nnnnnnnn a

echo -nnnnnnnn hello world

echo -nnnnnnnn -nnnnnnnn

echo -nnnnnnnn -nnnnnnnn a

echo -nnnnnnnn -nnnnnnnn hello world

echo -nk hello

echo -nnnnnnnnnnk hello

echo -nknknknk hello

echo hello -n

echo hello -nnnnnnn

echo hello -nknknknknk

echo hello -nnnnnnnnn -nnnnnnnnn

echo "-n" hello

echo '-n' hello

echo "-n" "hello"

echo '-n' 'hello'

echo '\-\n' '\h\e\l\l\o'

echo "\-\n" "\h\e\l\l\o"

echo $PATH

echo "$PATH"

echo '$PATH'

echo '\$PATH'

echo a "" b "" c

echo a "$NO_SUCH_ENV" b $NO_SUCH_ENV c, unset NO_SUCH_ENV

echo		hello

echo "$ $ $ $ $ $ "

echo $

echo "$''"