设计一个shell程序,要求:
1、捕获信号1、2、3、15(使用trap命令)
2、在循环中,当收到信号后,在终端上显示“I Received Signal #”,其中#为收到的信号编号
------解决方案--------------------
trap "echo I Rceived Gignal SIGHUP" 1
trap "echo I Rceived Gignal SIGINT" 2
trap "echo I Rceived Gignal SIGQUIT" 3
trap "echo I Rceived Gignal SIGTERM" 15