[Vi/Vim] Copy, cut and paste

Here is how to cut-and-paste or copy-and-paste text using a visual selection in Vim. See Cut/copy and paste using visual selection for the main article.
Cut and paste:

1. Position the cursor where you want to begin cutting.
2. Press v to select characters, or uppercase V to select whole lines, or Ctrl-v to select rectangular blocks (use Ctrl-q if Ctrl-v is mapped to paste).
3. Move the cursor to the end of what you want to cut.
4. Press d to cut (or y to copy).
5. Move to where you would like to paste.
6. Press P to paste before the cursor, or p to paste after.

Copy and paste is performed with the same steps except for step 4 where you would press y instead of d:

• d stands for delete in Vim, which in other editors is usually called cut
• y stands for yank in Vim, which in other editors is usually called copy

Copying and cutting in normal mode.

In normal mode, one can copy (yank) with y{motion}, where {motion} is a Vim motion. For example, yw copies to the beginning of the next word. Other helpful yanking commands include:

• yy or Y – yank the current line, including the newline character at the end of the line
• y$ – yank to the end of the current line (but don't yank the newline character); note that many people like to remap Y to y$ in line with C and D
• yiw – yank the current word (excluding surrounding whitespace)
• yaw – yank the current word (including leading or trailing whitespace)
• ytx – yank from the current cursor position up to and before the character (til x)
• yfx – yank from the current cursor position up to and including the character (find x)

Cutting can be done using d{motion}.
To copy into a register, one can use "{register} immediately before one of the above commands to copy into the register {register}. See pasting registers for more information on register syntax.

Pasting in normal mode.

In normal mode, one can use p to paste after the cursor, or P to paste before the cursor.
The variants gp and gP move the cursor after the pasted text, instead of leaving the cursor stationary.
To select a register from which to paste, one can use "{register}p to paste from the register {register}. See pasting registers.

출처 - http://vim.wikia.com/wiki/Copy,_cut_and_paste