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linux 命令和教程补充
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Linux/command/write.md
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Linux/command/write.md
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write
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===
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向指定登录用户终端上发送信息
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## 补充说明
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**write命令** 用于向指定登录用户终端上发送信息。通过write命令可传递信息给另一位登入系统的用户,当输入完毕后,键入EOF表示信息结束,write命令就会将信息传给对方。如果接收信息的用户不只登入本地主机一次,你可以指定接收信息的终端机编号。
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### 语法
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```shell
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write(参数)
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```
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### 参数
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```shell
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用户:指定要接受信息的登录用户;
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登陆终端:指定接收信息的用户的登录终端。
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```
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### 实例
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传信息给Rollaend,此时Rollaend只有一个连线 :
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```shell
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write Rollaend
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```
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接下来就是将信息打上去,结束请Ctrl+C:
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传信息给Rollaend、Rollaend的连线有pts/2、pts/3:
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```shell
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write Rollaend pts/2
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```
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接下来就是将信息打上去,结束请Ctrl+C:
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若对方设定`mesg n`,则此时信息将无法传给对方。
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