How do you insert text on multiple lines using visual block mode?
Answer
<C-v>jjI text <Esc>
Explanation
Enter visual block with <C-v>, select lines with j, press I to insert before the block. Type text, press <Esc> to apply to all lines.
<C-v>jjI text <Esc>
Enter visual block with <C-v>, select lines with j, press I to insert before the block. Type text, press <Esc> to apply to all lines.