For those tasks I use most of the time block selection.
Put your cursor on the first
# character, press
Ctrl``Q for gVim), and go down until the last commented line and press
x, that will delete all the
# characters vertically.
For commenting a block of text is almost the same:
- First, go to the first line you want to comment, press
Ctrl``V. This will put the editor in the
- Then using the arrow key and select until the last line
- Now press
Shift``I, which will put the editor in
INSERTmode and then press
#. This will add a hash to the first line.
- Then press
Esc(give it a second), and it will insert a
#character on all other selected lines.
For the stripped-down version of vim shipped with debian/ubuntu by default, type
: s/^/# in the third step instead (any remaining highlighting of the first character of each line can be removed with
Here are two small screen recordings for visual reference.