VI Common commands

Move cursor

J   Move the cursor down a row

K   Move the cursor up a row

H   Move the cursor one character left

L   Move the cursor one character to the right

$   Move the cursor to the end of the row

0   Move cursor to the beginning of the line

+   Move cursor to the beginning of the downstream line

-   Move cursor to the beginning of the upstream line

Delete

Dd  Delete the entire row where the cursor is located

X   Delete the character at the cursor

X   Delete the character on the left of the cursor

5dd Delete 5 lines of text starting from the current row

Cancel operation

U    Cancel last modification

U   Cancel all modifications made to the current row

Copy and paste

YY  Copy the current row to the buffer

P   Paste the buffer text behind the cursor

Screen flip

CTRL + FOne screen forward

CTRL + B Flip back

Exit VI and save

Zz Exit save

: W Save and do not exit

: Q Exit

: Q! Exit and do not save

Search Text

/Text  Search down from the cursor

/      Repeat the previous search

: N     Move the cursor to the specified row