Copy: yy
Cut (Delete line): dd
paste (the cursor): p (lowercase)
Paste (before the cursor): P (uppercase)
Insert a line: o
Or undo the last n operations: u {n}
Indent: >>
indentation return: <<
Copy: yy
Cut (Delete line): dd
paste (the cursor): p (lowercase)
Paste (before the cursor): P (uppercase)
Insert a line: o
Or undo the last n operations: u {n}
Indent: >>
indentation return: <<