Use_VIM_in_CentOS7

20181028-YUM-Install-Software-In-CentOS.html

在centos中使用vim编辑器

下面用编辑crontab举个例子:

在命令行输入

crontab -e

会直接进入vim编辑模式编辑crontab文件。

随后可以输入“i”进入insert模式

然后移动光标在指定的位置添加文字,可以按“esc”键先进入Normal Mode,在Normal Mode下输入“:”进入Command-line,在Command-line下输入“x”保存并且退出完成编辑。

下面为常用命令

1、Normal Mode -> Insert Mode

i 小写字母i,在光标位置插入

a 小写字母a,在光标的下一个位置插入

I 大写字母I,在光标所在行的第一个非空格处插入

A 大写字母A,在光标所在行的最后一个字符处插入

o 小写字母o,在光标所在行的下一行处插入新行

O 大写字母O,在光标所在行的上一行处插入新行

r 小写字母r,替换光标所在处的字符一次

R 大写字母R,持续替换光标所在处的字符,直到按下ESC

2、Normal Mode -> Command-line Mode

:/filename 搜索字符串

:w 保存文件

:w! 强制保存文件(前提是用户有修改文件访问权限的权限)

:q 退出缓冲区

:q! 强制退出缓冲区而不保存

:wq 保存文件并退出缓冲区

:ZZ 保存文件并且退出

:wq! 强制保存文件并退出缓冲区(前提是用户有修改文件访问权限的权限)

:w 另存为名为filename文件

:n1,n2 w 将n1行到n2行的数据另存为名为filename文件

x 如果文件有更改,则保存后退出。否则直接退出。

3、Insert Mode -> Normal Mode

按下ESC键

4、Command-line -> Normal Mode

按下ESC键

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