Repeat an edit on multiple lines
1
for the text:
abc123abc
def456def
ghi789ghi
you do:
Ctrl - v
jj # select 3 lines
Shift - I
, # insert a comma
Esc # at this moment, three commas gonna be added
you get:
abc,123abc
def,456def
ghi,789ghi
2
use ctrl + v
to and move cursor, you'll select several lines, you can do operations in normal mode, for example x
to delete a character.