For those tasks I use most of the time block selection.
Put your cursor on the first
# character, press CtrlV (or CtrlQ 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 CtrlV. This will put the editor in the
- Then using the arrow key and select until the last line
- Now press ShiftI, 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.