进程相关面试题

qufei · qufei · commit cc42574667f0 · 2019-06-17T11:30:22.000+08:00
diff --git a/docs/nodejs/process-threads.md b/docs/nodejs/process-threads.md
@@ -720,7 +720,7 @@ I am worker, PID:  42474
 ```js
 const spawn = require('child_process').spawn;
 const child = spawn('echo', ["简单的命令行交互"]);
-child.stdout.pipe(process.stdout);
+child.stdout.pipe(process.stdout); // 将子进程的输出做为当前进程的输入，打印在控制台
 ```
 
 ```
