One of the powerful tools available in most Linux distributions is the Wget command line utility. With a simply one-line command, the tool can download files from the web and save them to the local disk. While this capability might initially seem only moderately useful (Why not just use Chrome or Firefox to download the file?) – most Linux servers are managed remotely through a tool called SSH. SSH normally offers only a command line interface without any graphical components, so all the server maintenance needs to be done through the command line. Wget is used constantly throughout the installation process to download files from the Internet and install new programs on the system.
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