-O选项表示将下载的内容进行重命名：
[root@PC1 test]# ls [root@PC1 test]# wget -O xxxx http://mirrors.aliyun.com/repo/Centos-7.repo ## 下载内容保存为xxx --2022-09-19 09:42:39-- http://mirrors.aliyun.com/repo/Centos-7.repo Resolving mirrors.aliyun.com (mirrors.aliyun.com)... 220.181.135.224, 220.181.135.230, 220.181.135.225, ... Connecting to mirrors.aliyun.com (mirrors.aliyun.com)|220.181.135.224|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 2523 (2.5K) [application/octet-stream] Saving to: ‘xxxx’ 100%[=======================================>] 2,523 --.-K/s in 0.005s 2022-09-19 09:42:39 (464 KB/s) - ‘xxxx’ saved [2523/2523] [root@PC1 test]# ls xxxx [root@PC1 test]# head -n 2 xxxx # CentOS-Base.repo #