写脚本输入管理httpd的开启，关闭，重启和查看状态

#!/bin/bash
while true
do
        echo -e "
        \033[31m start 开启服务  \033[0m
        \033[32m stop 停止服务  \033[0m
        \033[33m restart 重启服务  \033[0m
        \033[34m status 查看服务状态  \033[0m
        \033[35m q 退出  \033[0m
"
yum install httpd -y &> /dev/null

read -p "请选择：" ch

[ -z "$ch" ] && {
echo -e " \033[32m 请按提示选择输入 \033[0m "

}

case $ch in

start)
	systemctl start httpd &> /dev/null && echo "启动完毕" || echo -e " \033[31m 服务启动失败,请查看日志 \033[0m "
        ;;

stop)
        systemctl stop httpd &> /dev/null && echo "服务已关闭"
        ;;

restart)
        systemctl restart httpd &> /dev/null && echo "服务重启完毕" || echo -e " \033[31m 服务重启失败,请查看日志 \033[0m "
        ;;

status)
        systemctl status httpd
        ;;

q)
        exit 0
        ;;
*)

esac
done

五个反馈
无任何输入或空格时

输入start

输入stop

输入restart

输入status

输入q