When you simply print out a vector, the nature of R is such that you're never going to have a newline in a character vector.
That is, the newlines are in the string, they just don't get printed as new lines. However, you can use other functions if you want to print them, such as cat:
> cat("hello\nworld\n") hello world
You can also use the writelines() function as follows:
If you want to explore more in R programming then watch this R programming tutorial for beginner: