What Is Hosts File?

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The host file operates similarly to a phone directory for your personal computer. It's just a plain text file that directs your computer to various websites and tells it where to locate them. #HostsFile When you type in the address of a website, such as "www.google.com," your computer needs to know the location of that website to load it. Therefore, it sends a request to a specialized computer called a "DNS server." This computer looks up the address and informs your computer where it may locate the website. Your computer's host file can be considered an electronic version of a personal address book. It eliminates the requirement that you query the DNS server for the IP address of a website and instead enables you to manually give the address. It would be the same as telling your computer, "Hey, I know where www.google.com lives. It's at this precise location." This can be useful in a variety of contexts, including the following examples: Preventing access to unwanted websites by diverting users to a URL that does not exist. Accessing websites that have been restricted for you by your employer or internet service provider (ISP). Before releasing them to the public, websites should be tested on a local network. Keeping a local copy of your IP address allows you to access websites you regularly visit much more quickly. However, exercise extreme caution while altering the hosts file. Doing so is analogous to providing your computer with new addresses to visit; a host file is a powerful tool that has the potential to produce unwanted results. Incorrect inputs might bring websites to a halt in their operation or cause them to redirect to the wrong location. #Caution It is similar to a personal address book in that it enables you to manually specify the IP address of a website, thereby preventing the need to ask the DNS server for the information. The Hosts file is a straightforward text file that instructs your computer on where to locate various websites. It has the potential to be beneficial in a variety of contexts, including the blocking of undesired websites, the accessing of restricted websites, the testing of websites on a local network, and the acceleration of access to regularly visited websites. Nevertheless, extreme caution is advised before employing it because, if not utilized appropriately, it may result in outcomes that were not intended.

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