检查系统信息脚本

#!/bin/bash#输入不同字符完成不同巡检内容#打印提示符HINT(){        read -p "请按回车继续："}#查看CPU信息CPU_INFO(){        echo        echo -e "\033[4;31mPrint the CPU info:\033[0m"        cat /proc/cpuinfo | awk 'BEGIN {FS=":"} /model name/{print "CPU Model:" $2 }'        cat /proc/cpuinfo | awk 'BEGIN {FS=":"} /cpu MHz/{print "CPU Speed:" $2"MHz"}'        grep -Eq 'svm|vmx' /proc/cpuinfo && echo "Virtualization: Support" ||         echo "Virtualization: No Support"        echo}#查看系统负载LOAD_INFO(){        echo -e "\033[4;31mPrint the system load:\033[0m"        uptime | awk 'BEGIN{FS=":"} {print $5}' | awk 'BEGIN{FS=","}\        {print "Last 1 minutes system load:"$1"\n""Last 5 minutes system load:"$2"\n"        "Last 15 minutes system load:"$3}'echo}#查看内存与交换分区信息MEM_INFO(){        echo        echo -e "\033[4;31mPrint the Memory and Swap info:\033[0m"        free | grep Mem | awk '{print "Mem free: "$5" Bytes"}'        free | grep Swap | awk '{print "Swap free: "$4" Bytes"}'        echo}#查看磁盘挂载信息DISK_INFO(){        echo        echo -e "\033[4;31mPrint system disk space usage:\033[0m"        df -h        echo}while truedo        clear        echo "------------------------------------------------------"        echo "1. 查看CPU信息"        echo "2. 查看系统负载"        echo "3. 查看内存与交换分区信息"        echo "4. 查看磁盘挂载信息"        echo "5. 退出系统"        echo "-------------------------------------------------------"        read -p "请选择1-4选项：" U_SELECT        #通过调用函数名称调用函数        case $U_SELECT in                1)                CPU_INFO                HINT                ;;                2)                LOAD_INFO                HINT                ;;                3)                MEM_INFO                HINT                ;;                4)                DISK_INFO                HINT                ;;                5)                exit                ;;                *)                read -p "请选择1-4选项，输入回车继续："                ;;        esacdone