This is NOT an egg.
The command "vi" starts the editor Vim (Vi iMproved), which is charityware. This means that the user is encouraged to donate some amount to a cause selected by the software developers.
In the case of Vim, this is through a short message, shown when the program starts, before editing begins.
For those of you who try this egg, and get stuck, press ESC twice (or more, if you want), and type ZZ or :q!. This should exit the program.
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