saving . . . saved \n has been deleted. \n has been hidden .
\n
Title
Question
for insert two line in first, you use \n. But we see in "General Purpose Utilities" in Linux video that for \n we have to use -e. But here you don't use -e, why?

Linux More-on-sed-command 07-08 min 0-10 sec 05-12-20, 8:04 p.m. sanniddhachakrabarti@gmail.com

Answers:

Your question is not clear.  And it is not corresponding to the tutorial More on sed command.  
Pls reframe your question for ease of understanding.
12-03-21, 4:09 p.m. nancy

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