New line while writing in other file.

Title: New line while writing in other file.
Hello i'm making a code that writes in another file and after alot of searching i made this

i = 16
file = fs.open("startup", "w")
file.write("shell.run(\"power\" i")
(((This is the place where I need a code to go to the next line in the file)))
file.write("print(\"hi\")")
file.close()

Hope you can help!

file.write([[shell.run("power")]].."\n")

The [[ ]] are block quotes, and do not require or accept escaping inside them. The \n is the newline character.

or use file.writeLine('')