How do I make all split windows the same size?
<C-w>=
The = (Ctrl+w then =) command resizes all open split windows so they have equal width and height.
Tag: buffers-windows
How do I close all windows except the current one?
:only
The :only command closes every window in the current tab page except the one your cursor is in.
How do I close the current window in Vim?
<C-w>c
The c (Ctrl+w then c) command closes the current window without closing the buffer it contains.
How do I diff two buffers side by side in Vim?
:windo diffthis
The :windo diffthis command activates Vim's built-in diff mode across all visible windows, highlighting the differences between them.