h 左
j 下
k 上
l 右
w 词首
e 词末
$ 行末
^ 行首
) 将光标移到下一句句首
( 将光标移到上一句句首
} 将光标移到下一段开始处
{ 将光标移到下一段开始处
M 光标移至屏幕中间行
z. 将光标所在行移至屏幕中部
[[ 条到文件头(gg)
]] 跳到文件尾(G)
:n 跳到第n行(nG)
ctrl+g 显示光标所在信息
Ctrl+u 向上滚动半屏
Ctrl+d 向下滚动半屏
Ctrl+f 向前翻一页
Ctrl+b 向后翻一页

x 删除字符
i 光标前插入
a 光标后插入
A 行末插入
R 替换内容
r 替换所选字符
d 删除
c 修改
dd 删除整行
2dd 删除2整行
u 撤消
U 撤消整行
ctrl+r 重做
p 粘贴最后删除的内容
yw 把光标所在单词移到缓冲区
yy 把当前行整行移到缓冲区
~ 改变光标所在字符大小写
. 重复上一个操作
<< 把当前行左移
>> 把当前行右移
:x 保存退出
:q 退出
:q! 不保存退出

/ 查找内容
? 向上查找内容
n 下一匹配
N 上一匹配
% 匹配下一半“大中小”括号
:%s/a/b/g 替换文件中a为b
:! 执行外部命令，回车返回

:set ic 忽略大小写
:set hls 匹配高亮
:set is 即时匹配输入
:set nu 显示行号
:x 加密文件
:ab c d 以d替代c

The Ctrl+S shortcut key sequence activates XOFF which is used to pause the sending of data etc (read more here at Wikipedia about software flow control). In the Bash shell this buffers all your commands and won’t run them until you send XON which is done with Ctrl+Q.

I only learnt about this a few days ago when I accidentally pressed Ctrl+S while doing something on one of my webservers – I was meaning to press Ctrl+D to logout which is the only reason I knew which keystroke I had hit instead. It had baffled me years ago why my Bash shell suddenly became unresponsive when I’d hit what appeared to be some random keystroke combination. When it happened to me a few days ago I decided to work out why it does this and what the solution is. I remember in the past having to kill my CLI session because I didn’t know what else to do.

So in summary, it’s Ctrl+S which suspends the output and you need to hit Ctrl+Q to resume output again