How to scroll large datafile using while keeping header

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http://unix.stackexchange.com – Suppose I have some large datafile, which overflow the screen in both vertical and horizontal direction. How can I browse this file, while the header-lines stay on the screen? For the moment, I am using less -S, so that I can nicely scroll my file horizontally and vertically. However, when scrolling down, the header lines obviously disappear. Is there a way to keep these using less? An alternative is using vim in split-screen mode with :set nowrap. However, now if I scroll horizontally, the top window doesn't scroll in the same way (:windo set scrollbind only works for vertical scrolling as (HowTos)