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+### 43.2.1. 远程shell命令
+
+你可以使用Groovy或Java编写其他的shell命令（具体参考CRaSH文档）。默认情况下，Spring Boot会搜索以下路径的命令：
+* `classpath*:/commands/**`
+* `classpath*:/crash/commands/**`
+
+**注**：可以通过`shell.commandPathPatterns`属性改变搜索路径。
+
+下面是一个从`src/main/resources/commands/hello.groovy`加载的'hello world'命令：
+```java
+package commands
+
+import org.crsh.cli.Usage
+import org.crsh.cli.Command
+
+class hello {
+
+    @Usage("Say Hello")
+    @Command
+    def main(InvocationContext context) {
+        return "Hello"
+    }
+
+}
+```
+Spring Boot将一些额外属性添加到了InvocationContext，你可以在命令中访问它们：
+
+|属性名称|描述|
+|------|:------|
+|spring.boot.version|Spring Boot的版本|
+|spring.version|Spring框架的核心版本|
+|spring.beanfactory|获取Spring的BeanFactory|
+|spring.environment|获取Spring的Environment|