# tty

显示连接到当前标准输入的终端设备文件名

## 补充说明

**tty命令** 可以显示连接到当前标准输入的终端设备文件名。

### 语法

```
tty [选项]
```

### 选项

```
-s 什么也不显示，只返回退出状态值
```

### 例子

显示连接到当前标准输入的终端设备文件名。

```
[root@localhost ~]# tty
/dev/pts/0
```


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