Post date: Nov 28, 2011 10:04:49 AM
CTRL-v
Visual select block mode
once you have rectangular block, you can remove block with 'd'
insert text in front of the block with capital 'I'
append text after the block with capital 'A'
change text with 'c'
cut text using 'x'
and paste using 'p'
change text to single characters using 'R'