supervisor:按组管理多个程序

导师 在所有类似Unix的系统上，按组管理多个程序。 只是一个演示，请勿在生产中使用。 用法 Supervisor: manager multiple programs by groups. Usage: ./main.sh [COMMAND] [OPTION] [ARGS]... COMMAND start start programs by groups or names stop start programs by groups or names status print process running status by groups or names OPTION -g group, followed by multiple group names ARGS multipl