This the use of CR without LF on a virtual TTY. On a real TTY or typewriter there is less use, but as one user pointed out one could remove information like a p

This the use of CR without LF on a virtual TTY. On a real TTY or typewriter there is less use, but as one user pointed out one could remove information like a password which was printed. LF without CR is something that one would do on a typewriter for typing tabulated data or mathematical formulae. It's just a way to go "down" but stay at the horizontal position you were previously at.