Unclear question - 'vi' is a utility
The one editor that is absolutely certain to be available on every Linux and Unix distribution is 'vi'. The 'vi' editor is not only the world's greatest editor, it is absolutely ubiquitous in the Unix and Linux world. There are other editors on many Linux systems including many graphical editors, but none hold a candle to 'vi', at least in my humble opinion.NOTE: The 'vi' editor was written by Bill Joy.
the text is inputed in vi editor by pressing the i key, that mean get the insert permission into vi editor
The 'vi' editor is a text editor; it can edit anything that is displayable ASCII text. You can edit a password in the password file using 'vi' (not recommended).
You don't. The 'tar' command has nothing to do with the 'vi' editor; it creates an archive files and the vi editor modifies the content of a file.
vi file name
Vi (pronounced vee-eye), the standard screen-oriented editor provided with Unix operating systems, is the ``visual'' mode of the Ex line editor. Both Vi and Ex commands can be issued from within Vi. Source-The Internet.
Your question is uncleear; every time you start the 'vi' editor you get another process.
'vi' is the standard text editor for Unix. You use it to edit content of a text file.
vi text editor is a standard text editor found in almost every flavor of Linux, it is the most preferred text editor by most Linux professionals, other text editors include nano and pico are also decent substitutes for the vi editor
No, an editor is an example of application software.
You don't. Moving from foreground to background, etc., happens outside of the 'vi' editor.
Question is unclear; vi is a text editor and has the functionality of most editors to modify or add or delete the contents.