CentOS连不上外网如何安装7z？
执行以下命令下载安装：/p7zip_9.20.1_src_all.tar.bz2tar-jxvfp7zip_9.20.1_src_all.tar.bz2cdp7zip_9.20.1makemakeinstall最后一步makeinstall后出现以下信息，即为安装完毕。./install.sh/usr/local/bin/usr/local/lib/p7zip/usr/local/man/usr/local/share/doc/p7zip-installing/usr/local/bin/7za-installing/usr/local/man/man1/7z.1-installing/usr/local/man/man1/7za.1-installing/usr/local/man/man1/7zr.1-installing/usr/local/share/doc/p7zip/README-installing/usr/local/share/doc/p7zip/ChangeLog-installingHTMLhelpin/usr/local/share/doc/p7zip/DOCS
