nginx查询版本号和查询已安装模块，就在于大小写的V参数。

[root@ah-ipv6 lnmp2.0-full]# nginx -v
nginx version: nginx/1.25.3

[root@ah-ipv6 lnmp2.0-full]# nginx -V
nginx version: nginx/1.25.3
built by gcc 12.3.1 20230508 (Red Hat 12.3.1-1) (GCC)
built with OpenSSL 1.1.1t 7 Feb 2023
TLS SNI support enabled
configure arguments: --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-http_sub_module --with-stream --with-stream_ssl_module --with-stream_ssl_preread_module --with-http_realip_module --with-openssl=/root/lnmp2.0-full/src/openssl-1.1.1t --with-openssl-opt='enable-weak-ssl-ciphers' --with-http_v3_module