linux echo 打印转义字符

echo -e "\t"


If -e is in effect, the following sequences are recognized:


       \0NNN  the character whose ASCII code is NNN (octal)

       \\     backslash

       \a     alert (BEL)

       \b     backspace

       \c     suppress trailing newline

       \f     form feed

       \n     new line

       \r     carriage return

       \t     horizontal tab


       \v     vertical tab

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





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