How to save a copy in another file in VI
In Category VI
Typically “:w” is used to save the current file as no file name is given. But with a file name specified, it can be saved to another file or even append to another file. However this is like “Save a copy” operation ans user will be still editing current file only.
To save a copy of currently edited file to an another file, use
:w file2.txt
To append a copy of currently edited file to an another file, use
:w >>file2.txt