VIM default keystrokes

Below you'll find list of keystrokes/commands built-in VIM by default which I'm using frequently. It is important to note that most (maybe even all) VIM commands related to text search/manipulation affect only first occurence by default.

General

Normal mode

• ~ - invert case (upper->lower; lower->upper) of current character
• xp - swap two characters around
• dj - cut current line and next line
• CTRL-a, CTRL-x - increment, decrement next number on same line as the cursor
• J - join the next line to the current line
• f( - moves the cursor to the first occurence of "("
• t( - moves the cursor right before the first occurence of "("
• di" - removes the contents that is being wrapped by double quotes on the same line
• ci" - removes the contents that is being wrapped by double quotes on the same line and switches to Insert mode
• da" - removes the double quotes with contents inside
• M - move cursor to the middle of the screen
• H - move cursor to the top of the screen
• 3H - move cursor to the 3rd line from top
• L - move cursor to the bottom of the screen
• 3L - move cursor to the 3rd line from bottom
• CTRL-u - move the screen up by half
• CTRL-d - move the screen down by half
• CTRL-f - move the whole screen down
• CTRL-b - move the whole screen up
• CTRL-e - move the screen up by one line
• CTRL-y - move the screen down by one line
• zz - move the screen so that current line would be in the middle
• zt - move the screen so that current line would be in the top
• 100zt - move the screen so that line number 100 would be in the top
• zb - move the screen so that current line would be in the bottom
• '' - move the cursor to previously visited line

Visual mode

• gq - Break selected line into multiple lines
• gu - lowercase line
• gU - uppercase line
• :!ls - pass selected content to the "ls" command and paste in the output

Command mode

• :set paste - enables paste mode which disables all automatic formatting. Highly useful when pasting some preformatted piece of code.
• :set nopaste - disables paste mode
• :set ft=javascript - set the filetype of current file to "javascript"
• :!date - run date command in your shell and print the output
• :read !date - run date command in your shell and paste the output in editor
• :read !curl --silent http://example.com/file.txt - download a file via curl and paste it's content in editor

Macros

Recording a macro

• Press q
• Press any letter or number to assign macro to
• Start typing commands to save in macro
• Finish recording by pressing q

Using an existing macro

• Press @
• Press letter or number that represents desired macro

Markers

Saving a marker

• Press m
• Press any letter or number to assign marker to

Move cursor to a saved marker

• Press '
• Press letter or number that represents desired marker

Buffers

• :ls - prints all buffers
• :bp - switch to previous buffer
• :bn - switch to next buffer
• :b# - switch to last visited buffer
• :b2 - switch to buffer number 2