The meaning of Linux echo-n-E two parameters

Echo-n Non-newline output

$echo-N "123" $echo "456" final output 123456 instead of 123456 echo-e handling special characters if the following character appears in the string, it is handled in particular, not as a general text output: \a a warning; \b Delete the previous \c End with a newline symbol; \f the cursor remains in its original position; \ n Wraps and the cursor moves to the beginning of the line; \ r The cursor moves to the beginning of the line but does not wrap; \ t inserts the same tab;\v as \f; \ \ insert \ character; \nnn Insert the ASCII character represented by NNN (octal); $echo-E "a\bdddd" dddd $echo-E "a\adddd"//output also emits alarm sound adddd $echo-E "a\ndddd"//auto-wrap adddd

The meaning of Linux echo-n-E two parameters