Added a few more commands into the reference, and tidied up a little

vim.md

@@ -1,6 +1,14 @@
+# Vim Reference
+
+This is intended as a brief reference for beginners.
+
+Vim does have a built in reference for each key, that can be accessed via
+
+    :h <key>
+
 # Basics
 
-Inserting text, saving and closing the buffer
+## Inserting Text
 
 `i` - Insert Text at the cursor
 
@@ -10,6 +18,12 @@ Inserting text, saving and closing the buffer
 
 `A` - Insert text at the end of the line
 
+`o` - Insert a new line below the current line
+
+`O` - Inserts a new line above the current line
+
+## Saving and Quitting
+
 `esc` - Pressing escape will put you in normal mode, then pressing `:` 
 will put you into command mode 
 
@@ -19,11 +33,13 @@ will put you into command mode
 `Ctrl + ZZ` - Write and quit (`:wq`)  
 `Ctrl + ZQ` - Force quit (`:q!`)
 
-# Movement
+# Motions for Movement
 
-These can also be used with other commands, such as dw to delete to next word
+Motions can also be used with other commands, such as dw to delete to next word
 or while selecting a visual block.
 
+Vim reference `:h motion.txt`
+
 `h,l` - Left, Right  
 `j,k` - Down, Up
 
@@ -47,8 +63,30 @@ or while selecting a visual block.
 
 `5w` - Move forwards 5 words, this also works with most commands
 
+`f<character>` - Moves to the next occurance of that character, good for quotes
+
+`%` - Jump to matching parenthesis, either forwards or back
+
+# Visual Selection
+
+Visually highlight the selection being made
+
+`v` - Select characters
+
+`V` - Select entire lines
+
+`Ctrl + v` - Visual block selection
+
+Visual mode, can also be used with motions
+
+`vi(` - Visually select the inside of some parenthesis
+
+`va{` - Visual select the the {} and their contents
+
 # Deleting and Clipboard
 
+Deleting, yanking, and pasting. Like other commands, can use motions too!
+
 `x` - Delete/cut character under cursor
 
 `d` - Delete/cut selection  
@@ -81,15 +119,47 @@ or while selecting a visual block.
 
 `N` - Previous search result
 
-# Replace/Change
+# Replace/Change/Substitute
 
-c Change
-cw 
-ci( - Change inside ( { "
-:s/x/y Replace x for y on the selected line
-:%s/x/y Replace x for y on each line
+## Replace
+
+`r<character>` - Replaces the whatever is at the cursor with the character
+
+`R` - Replace mode. This enters an insert mode that writes over everything.
+
+## Change
+
+The more powerful alternative of replace
+
+`c` - Change. This will delete the selection, and put you into insert mode
+
+Yet again, this command can make use of, and gets its power from  motions!
+
+`cw` - Change word    
+`c$` - Change contents to the end of the line    
+`ci(` - Change inside ( { "
+
+## Substitute
+
+This is the "change and replace" of vim. It makes use of regex.
+
+`:s/x/y` - Replace the first instance of x to y on the selected line
+
+`:s/x/y/g` - Replace globally all instances of x to y on the current line.
+
+`:%s/x/y/g` -  Replace all instances of x to y on each line
+
+`:s/x/y/gc` - Replace all instances on the line, but prompt for each change
+
+# Cool stuff
+
+`.` - Repeats the last command. Eg. ci( will occur again
 
 # Buffers Splits Multitasking
+
+Vim can open numerous files/buffers at the same time.    
+These can be in tab like buffers, or in a splitscreen view.
+
 :r 
 :e filename
 :bn
@@ -101,9 +171,13 @@ ci( - Change inside ( { "
 Ctrl + ww
 Ctrl + wr Switch the splits around
 
-# Visual Selection
+# Setting variables in Vim
+
+Vim has extra features disabled by default, that can be very useful!
+
+`:set lines` - This adds line numbers
 
-`v` - Select lines  
-`V` - Select the current line  
-`Ctrl + v` - Visual selection in characters
+`:syntax on` - Turns syntax highlighting on
 
+These variables can be added into a file called ~/.vimrc to automatically run    
+every time vim opens.