#!/bin/sh set -x source /root/anaconda3/bin/activate py37 export SPARK_HOME=/opt/apps/SPARK2/spark-2.4.8-hadoop3.2-1.0.8 export PATH=$SPARK_HOME/bin:$PATH export HADOOP_CONF_DIR=/etc/taihao-apps/hadoop-conf export JAVA_HOME=/usr/lib/jvm/java-1.8.0 # 启动第一个命令并放入后台 echo "Starting command 1" sleep 5 & # 启动第二个命令并放入后台 echo "Starting command 2" sleep 3 & # 启动第三个命令并放入后台 echo "Starting command 3" sleep 4 & # 使用wait等待所有后台命令完成 wait # 所有命令执行完毕后执行的命令 echo "All commands have completed successfully."