i	= insert mode at cursor
I	= insert at the beginning of line
a	= append after the cursor
A	= append at the end of the line
o	= open blank line below current line
O	= open blank line above current line
Esc	= exit insert mode

h,j,k,l = ←, ↓, ↑, →
ctrl+f	= 下一页(forward)
ctrl+b	= 上一页(backward)
[N]G	= 跳到第N行
`.	= 跳到最后编辑的地方
w	= 跳到下一个单词的开头
W	= 跳到下一个单词(空白分隔)的开头
e	= 跳到下一个单词的末尾
E	= 跳到下一个单词(空白分隔)的末尾
b	= 跳到前一个单词的开头
B	= 跳到前一个单词(空白分隔)的开头
0	= 跳到本行行头
$	= 跳到本行行尾
^	= 跳到本行第一个非空白字符
g_	= 跳到本行最后一个非空白字符
gg	= 跳到第一行
G	= 跳到最后一行
*	= 向下查找当前光标所在位置的字符串
#	= 向上查找当前光标所在位置的字符串

ctrl+r	= redo
u	= undo
~	= switch case
>>	= indent line one column right
<<	= indent line one column left
==	= auto-indent current line

dd	= 删除当前行，并把删除的行存到剪贴板里
x	= 删除当前字符
X	= 删除前一个字符
dw	= delete to end of word
D	= delete to end of line
yy	= 复制当前行
[N]yy	= 复制N行
yw	= copy to end of word
y$	= copy to end of line
p	= 在光标位置之后粘贴
P	= 在光标位置之前粘贴

/pattern = search for pattern
?pattern = search backwards for pattern
n	= repeat search in same direction
N	= repeat search in opposite direction

:w	= 保存
:wq	= 保存并退出
:x	= 保存并退出
:q	= 退出，有改动未保存时退出失败
:q!	= 强制退出