# Starting with (n)vim

I have just started using Vim for writing small scripts while doing CTFs so this will have things that I am learning with time.

* duplicate a line: `:t.`
* Copy paste are simple:
  * `Shift+CTRL+C` - copy
  * `Shift+CTRL+V` - paste
* quit
  * `:qa!`
* visual mode:
  * `v` to get into visual mode - this is just for characters
  * `V` - this is for line mode
  * `Ctrl+v` - Visual block mode
  * Use arrow keys to select the text.
    * Shift+$ - to completely select the word.
  * Y - yank(copy)
  * d - delete
  * p - paste
  * u - undo
* :s/,/\r/g
  * Break on comma
* :set number
  * Show line number

### To Select and comment multiple lines

* Select the first caracter of your block
* press Ctrl+V ( this is rectangular visual selection mode)
* type `j` for each line more you want to be commented
* type `Shift-i` (like I for "insert at start")
* type // (or # or " or ...)
* You will see the modification appearing only on the first line
* IMPORTANT LAST STEP: type Esc key, and there you see the added character appear on all lines


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