vi操作模式
juaner
posted @ Sun, 02 Oct 2011 15:00:07 +0800
in linux
, 1203 readers
- 如果直接输入“vi”，系统会打开一个其实画面，如果要输入命令，必须先输入冒号（：）将光标停留在屏幕的下方后，才可进行命令的输入，如果没有输入冒号，则系统无法接受任何命令。
- vi共包含3种基本操作模式：Command Mode、Insert Mode或Last Line Mode，功能分别为：
Command Mode：控制光标的移动，删除字符，区段复制，以及进入两外两种模式。
Insert Mode：进行文字数据的输入，按ESC可以回到上一种模式。
Last Line Mode：保存、退出以及进行其他的设置，如查找或者替换字符串。
3、三种命令：i(由当前的光标位置输入文字)；a(APPEND:由目前光标的下一个位置输入文字)；o 插入新行，并由行首开始输入文字。
4、在Command Mode下，要想回到Last Line Mode模式，必须按：键。
5、Command Mode功能键包含有移动光标，复制文字，删除文字以及其他用法。
6、Last Line Mode的功能键不多，其中的退出命令有：
q:但如果文件内容有修改，vi会出现错误信息，并要求使用“！”；
q!:强制退出vi，并且不存盘。
wq:将修改过的内容存盘，并且退出vi。
7、查找字符串的时候，在Command Mode模式下，按下“/”,光标自动移到下面的命令行，输入带搜索的字符串，按下“Enter”键可以开始搜索。
8、其他
0 表示行首，$表示行尾，d表示删除，f表示forward。
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