[Gogo_yueyue@ShadowFiend ~]$ echo -e "helloWorld\n" helloWorld [Gogo_yueyue@ShadowFiend ~]$ echo "helloWorld\n" helloWorld\n
-e enable interpretation of backslash escapes
[Gogo_yueyue@ShadowFiend ~]$ echo -e "helloWorld\n" helloWorld [Gogo_yueyue@ShadowFiend ~]$ echo "helloWorld\n" helloWorld\n