Please let me know how you get on, also let me know if you have improvements, the idea should be that it would fit onto an A4 sheet. So anything added has to replace something else. I will come back to this page with updates from time to time.

Command Mode ESC Insert Mode i

Movement commands

h, j, k, l left, down, up, right

w, W, b, B forward, backward by word

H highest line of the screen

M middle line of the screen

L lowest line of the screen

Ctrl-F forward one screen

Ctrl-B backward one screen

Ctrl-D halfway down (i.e. forward) the screen

Ctrl-U halfway up (i.e. back) the screen

0 (zero), $ start, end of current line

Inserting text

a append after cursor

i insert before cursor

A append to end of line

I insert at start of line

o open a line below current line

O open a line above current line

r replace char

Delete text

x current character

dh previous character

dw current word

db previous word

dd entire line

d$ to end of line

d0 (zero) to start of line

ndd next n lines

Undelete

p insert after cursor

P insert before cursor

Goto line

:linenumber

nG Goto line n

:7 Goto line 7

Save and exit

ZZ write if changes and quit

:wq write and quit

:w filename save to new file

:q! quit vi

Search

/pattern forward for a pattern

?pattern backward for a pattern

n repeat previous search

N repeat previous search in reverse direction

*Search and replace

Example:

• Search from current line and replace first occurance

:s/search_string/replace_string/

• Search from current line and replace all matches

:s/search_string/replace_string/g

• Search from every line, replace confirmation (with [y]es)

:%s/search_string/replace_string/gc

:1,$s/search_string/replace_string/gc

• Search lines from 10 to 20

:10,20s/search_string/replace_string/g

Undo

u the latest change

U all changes on a line

Concatenate

J concatenate two lines