Answer :
Note that the mode of operation for the VI Editor allows you to perform complex operations, such as saving a document to a file with a different name is: Command Line Mode.
What is the VI Editor?
VI is a text editor for the screen that was first designed for the Unix operating system. The Single Unix Specification and POSIX outline a portable subset of the behavior of vi and applications built on it, as well as the ex-editor language supported within these programs.
Vi is the default editor included with the UNIX operating system (visual editor). We may use vi editor to modify an existing file or build a new one from scratch. This editor may also be used to just read a text file. vi filename is the syntax.
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