CentOS 7.9版本（CentOS-7-x86_64-DVD-2009）必须集齐五个文件才能一起解压缩使用，五个文件下载地址： CentOS-7-x86_64-DVD-2009.part5.rar https://download.csdn.net/download/weixin_43800734/20388029 CentOS-7-x86_64-DVD-2009.part4.rar https://download.csdn.net/download/weixin_43800734/20387750 CentOS-7-x86_64-DVD-2009.part3.rar https://download.csdn.net/download/weixin_43800734/20387720 CentOS-7-x86_64-DVD-2009.part2.rar https://download.csdn.net/download/weixin_43800734/20387661 CentOS-7-x86_64-DVD-2009.part1.rar https://download.csdn.net/download/weixin_43800734/20387572 CentOS是免费的、开源的、可以重新分发的开源操作系统，CentOS（Community Enterprise Operating System，中文意思是社区企业操作系统）是Linux发行版之一。 CentOS Linux发行版是一个稳定的，可预测的，可管理的和可复现的平台，源于Red Hat Enterprise Linux（RHEL）依照开放源代码（大部分是GPL开源协议 ）规定释出的源码所编译而成。自2004年3月以来，CentOS Linux一直是社区驱动的开源项目，旨在与RHEL在功能上兼容。

CentOS-7-x86_64-DVD-1708文件分割成 五个 压缩包，必须集齐 五个 文件后才能一起解压一起使用： CentOS-7-x86_64-DVD-1708.part5.rar https://download.csdn.net/download/weixin_43800734/20350438 CentOS-7-x86_64-DVD-1708.part4.rar https://download.csdn.net/download/weixin_43800734/20350413 CentOS-7-x86_64-DVD-1708.part3.rar https://download.csdn.net/download/weixin_43800734/20350322 CentOS-7-x86_64-DVD-1708.part2.rar https://download.csdn.net/download/weixin_43800734/20350293 CentOS-7-x86_64-DVD-1708.part1.rar https://download.csdn.net/download/weixin_43800734/20349916

CentOS-7-x86_64-DVD-1708文件分割成 五个 压缩包，必须集齐 五个 文件后才能一起解压一起使用： CentOS-7-x86_64-DVD-1708.part5.rar https://download.csdn.net/download/weixin_43800734/20350438 CentOS-7-x86_64-DVD-1708.part4.rar https://download.csdn.net/download/weixin_43800734/20350413 CentOS-7-x86_64-DVD-1708.part3.rar https://download.csdn.net/download/weixin_43800734/20350322 CentOS-7-x86_64-DVD-1708.part2.rar https://download.csdn.net/download/weixin_43800734/20350293 CentOS-7-x86_64-DVD-1708.part1.rar https://download.csdn.net/download/weixin_43800734/20349916

CentOS-7-x86_64-DVD-1708文件分割成 五个 压缩包，必须集齐 五个 文件后才能一起解压一起使用： CentOS-7-x86_64-DVD-1708.part5.rar https://download.csdn.net/download/weixin_43800734/20350438 CentOS-7-x86_64-DVD-1708.part4.rar https://download.csdn.net/download/weixin_43800734/20350413 CentOS-7-x86_64-DVD-1708.part3.rar https://download.csdn.net/download/weixin_43800734/20350322 CentOS-7-x86_64-DVD-1708.part2.rar https://download.csdn.net/download/weixin_43800734/20350293 CentOS-7-x86_64-DVD-1708.part1.rar https://download.csdn.net/download/weixin_43800734/20349916

CentOS-7-x86_64-DVD-1708文件分割成 五个 压缩包，必须集齐 五个 文件后才能一起解压一起使用： CentOS-7-x86_64-DVD-1708.part5.rar https://download.csdn.net/download/weixin_43800734/20350438 CentOS-7-x86_64-DVD-1708.part4.rar https://download.csdn.net/download/weixin_43800734/20350413 CentOS-7-x86_64-DVD-1708.part3.rar https://download.csdn.net/download/weixin_43800734/20350322 CentOS-7-x86_64-DVD-1708.part2.rar https://download.csdn.net/download/weixin_43800734/20350293 CentOS-7-x86_64-DVD-1708.part1.rar https://download.csdn.net/download/weixin_43800734/20349916

CentOS-7-x86_64-DVD-1708文件分割成 五个 压缩包，必须集齐 五个 文件后才能一起解压一起使用： CentOS-7-x86_64-DVD-1708.part5.rar https://download.csdn.net/download/weixin_43800734/20350438 CentOS-7-x86_64-DVD-1708.part4.rar https://download.csdn.net/download/weixin_43800734/20350413 CentOS-7-x86_64-DVD-1708.part3.rar https://download.csdn.net/download/weixin_43800734/20350322 CentOS-7-x86_64-DVD-1708.part2.rar https://download.csdn.net/download/weixin_43800734/20350293 CentOS-7-x86_64-DVD-1708.part1.rar https://download.csdn.net/download/weixin_43800734/20349916

CentOS-7-x86_64-Minimal-1611

CentOS-7-x86_64-LiveGNOME-1810.torrent

CentOS-7-x86_64-DVD-2009，用来学习云计算，Linux操作系统

从CentOS7的系统安装镜像中取出离线安装gcc依赖需要的rpm包 可以根据博客安装：https://blog.csdn.net/tangcv/article/details/114092075