If you did not use exec, the JVM would start as a child process of the shell that is executing the run script.
如果没有使用exec，那么jvm会作为执行run脚本的外壳的一个子进程启动。
When we export an environment variable, it's automatically available in the environment of any subsequently-run script or executable.
当导出环境变量时，它可以自动地由以后运行的任何脚本或可执行程序环境使用。
In each service directory that svsccan finds, it looks for a subdirectory called log and creates a supervise process to manage execution of the run script within that directory.
在svsccan发现的每个目录中，它都会查找叫作log的子目录，并创建一个supervise进程来管理这个目录下run脚本的执行。
As you did in previous sections, click Next at the Run Script dialog, select Commit changes only upon success.
像您在以前章节中的操作一样，单击Run Script对话框中的Next，选择Commit changesonlyupon success。
As you did in previous sections, click Next at the Run Script dialog, select Commit changes only upon success.
像您在以前章节中的操作一样，单击Run Script对话框中的Next，选择Commit changesonlyupon success。
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