What is the hosts file? and What is it used for?– The hosts file performs a name to IP address mapping and was used on early computer networks for name resolution before DNS was developed. The hosts file is still present on computer systems (windows,Linux, MAC), tablets (e.g. android) etc and can be very useful for testing purposes. The hosts file is a simple text file that can be edited with a text editor like notepad. However it is important to note the hosts file doesn’t have a file extension like .txt.
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