当使用默认的bash终端设置在后台运行作业时，bash 通常会捕获SIGCHLD信号并在打印下一个终端输出行之后打印消息。

When you run a job in the background with default bash terminal settings, bash normally catches SIGCHLD signals and prints a message after the next terminal output line is printed.

youdao

当使用默认的bash终端设置在后台运行作业时，bash 通常会捕获SIGCHLD信号并在打印下一个终端输出行之后打印消息。

When you run a job in the background with default bash terminal settings, bash normally catches SIGCHLD signals and prints a message after the next terminal output line is printed.

youdao