On Fri, Sep 30, 2011 at 12:31:00AM +0800, lina wrote: > Hi, > > When I use vim (how can I add comments for several lines at the same time, not > one by one) > add # I set a mark "a" at the first row that I want to comment, then move the cursor to the last row I want commented and type: :'a,.s/^/# /g This assumes you want the comment the entire line. John