warp.dev VS.

vim.fandom.com

A buffer is an area of Vim's memory used to hold text read from a file. In addition, an empty buffer with no associated file can be created to allow the entry of text. The :e filename command can edit an existing file or a new file. When a file is edited, the file is read into a new buffer that holds a temporary copy of the file (or an empty buffer for a new file). Editing makes changes to the buffer. To save a file, the original file is replaced by writing the buffer to disk. The :new command c