Umieść Char na początku wielu linii Vim

Press Esc to enter 'command mode'
Use Ctrl+V to enter visual block mode
Move Up/Downto select the columns of text in the lines you want to comment.
Then hit Shift+i and type the text you want to insert.
Then hit Esc, wait 1 second and the inserted text will appear on every line.
Cat's Answers