RE: line number

[Drew Adams]

> > 3 how can I number the lines of the buffer so that
> > it shows on the start
> > 4 of each line, kind of a line index like what you
> > see here.
>
> try setnu.el
> There is a setnu-plus.el too,but i don't exactly know
> how to use:(

Just load it. setnu+.el is a minor enhancement of setnu.el. setnu+.el loads
setnu.el. Both are available here:
http://www.emacswiki.org/cgi-bin/wiki?action=index;match=%5C.(el%7Ctar)(%5C.
gz)%3F%24.

Some explanation is here: http://www.emacswiki.org/cgi-bin/wiki/LineNumbers.