What moving a buffer to a new pane means
In Vim, a buffer is the text you are editing, and a pane (or window) is the area on your screen where you see it. Moving a buffer to a new pane means taking the file you are working on and displaying it in a different split window, either one you create fresh or one that already exists. This is useful when you want to compare two parts of the same file side by side, or when you want to move your work to a different area of your screen without closing it.
The most common reason to do this is that you opened a file in one pane but now want to see it in a different location — perhaps you want a vertical split instead of horizontal, or you want to move it to a pane on the right side of your screen instead of the left. Vim gives you several ways to do this, and the method you choose depends on whether you want to create a brand new pane or move the buffer into one that is already open.
Key Takeaways
- Use :split or :vsplit to create a new pane with the same buffer, then close the original pane with :q to move it completely.
- The Ctrl+W key combinations let you navigate between panes and resize them without typing full commands.
- If you want to move a buffer into an existing pane, switch to that pane and use :buffer followed by the buffer number or name.
- You can see all open buffers by typing :buffers or :ls, which shows you the buffer number you need to reference.
Creating a new pane with the same buffer
The simplest way to move a buffer to a new pane is to split your current pane and then close the original. Start by typing :split to create a horizontal split (one pane above the other) or :vsplit to create a vertical split (one pane beside the other). Both commands create a new pane that shows the same buffer you were already viewing.
After you run the split command, you will have two panes showing the same file. The new pane becomes active, and you can navigate between them using Ctrl+W followed by an arrow key (up, down, left, or right) or by pressing Ctrl+W twice. Once you have confirmed the buffer is where you want it, go back to the original pane and type :q to close it. This leaves your buffer in the new pane only.
If you want to move the buffer to a specific location — for example, always to the right side of your screen — you can use :vsplit to create a vertical split, then use Ctrl+W and the arrow keys to navigate and position yourself, then close the pane you do not want. The buffer stays open in whichever pane you leave active.
Moving a buffer into an existing pane
If you already have multiple panes open and you want to display a different buffer in one of them, switch to the pane where you want the buffer to appear. You can do this by pressing Ctrl+W followed by an arrow key to move between panes, or by clicking in the pane you want (if your terminal supports mouse input).
Once you are in the pane where you want the buffer, type :buffer followed by the name or number of the buffer you want to display. For example, :buffer myfile.txt or :buffer 3. If you do not know the buffer number or name, type :buffers or :ls first — this shows a list of all open buffers with their numbers on the left side. The buffer you want will then appear in that pane, replacing whatever was there before.
Finding buffer numbers when you need them
Before you can move a buffer by number, you need to know what number it is. Type :buffers or the shorter :ls command to see a list. The output shows each buffer with a number on the left, the buffer name in the middle, and status information on the right. A buffer marked with % is the one you are currently viewing, and one marked with # is the one you viewed before that.
The status column may show a (active — currently displayed in a pane), h (hidden — open but not displayed), or u (unlisted — usually a temporary buffer). You only need the number to move the buffer. For example, if you see "3 myfile.txt" in the list, you can type :buffer 3 to display that buffer in your current pane.
Using keyboard shortcuts to navigate between panes
Ctrl+W is the master key for working with panes in Vim. Press it once, then immediately press another key to perform an action. The most useful combinations are Ctrl+W followed by an arrow key (up, down, left, right) to move to the pane in that direction, or Ctrl+W followed by w to cycle through all open panes in order.
You can also resize panes without typing commands. Press Ctrl+W followed by + to make the current pane taller, - to make it shorter, > to make it wider, or < to make it narrower. Each press adjusts the pane by one line or column. If you want to make panes equal size, press Ctrl+W followed by =. These shortcuts let you arrange your panes exactly how you want them before moving buffers into them.
Closing panes without closing the buffer
When you close a pane with :q, the buffer inside it does not disappear — it just stops being displayed. The buffer remains open in Vim's memory and you can display it again in any other pane by using :buffer with its name or number. This is why you can safely close a pane after moving a buffer elsewhere; the buffer is still there if you need it.
If you want to close a pane and also close the buffer completely (so it no longer appears in the buffer list), use :bdelete or :bd instead of :q. This removes the buffer from memory entirely. Use this only when you are sure you do not need that buffer anymore, because you cannot undo it without reopening the file.
Frequently Asked Questions
How do I move a buffer to a pane that is already open?
Switch to the pane where you want the buffer by pressing Ctrl+W and an arrow key, then type :buffer followed by the buffer name or number. If you do not know the number, type :buffers first to see the list.
What is the difference between :split and :vsplit?
:split creates a horizontal split, stacking panes on top of each other. :vsplit creates a vertical split, placing panes side by side. Both show the same buffer in the new pane.
Can I move a buffer to a pane without closing the original pane?
Yes. Use :split or :vsplit to create a new pane with the buffer, then leave both panes open. The buffer will be displayed in both places at once, and edits in one pane appear immediately in the other.
What happens to my buffer if I close the pane it is in?
The buffer stays open in Vim's memory and appears in the buffer list. You can display it again in any pane by typing :buffer with its name or number. The buffer is only removed if you use :bdelete.
How do I make two panes show different parts of the same file?
Create a split with :split or :vsplit, then use Ctrl+F and Ctrl+B to scroll each pane independently, or use :set scrollbind to make them scroll together automatically.