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false
===
返回状态为失败。
## 概要
```shell
```
## 主要用途
- 用于和其他命令进行逻辑运算。
## 返回值
返回状态总是失败；返回值为1。
### 注意
1. 该命令是bash内建命令，相关的帮助信息请查看`help`命令。