Vi

sudo apt-get install vim

w		: Word Forward
b		: Word Backword
{		: Paragraph Beginning
}		: Paragraph End
^		: Line Beginning
$		: Line End

dd		: Delete Line
3d		: Delete 3 Lines
yy		: Copy Line
3yy		: Copy 3 Lines
p		: Paste
u		: Undo

https://ss64.com/vi.html

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