Network operating system is an operation which is used
to coordinate activities of multiple computers in a network, the network
operating system development related with open source operating system
development that would have much effect on treatment patterns in information
technology. One of the server network operating system services is quite affect
in the handling of information technology is a proxy server that provide dial
computer (Internet programs such as browsers, download managers and other) to
the internet. In manufacture of proxy servers, the author uses the Linux
operating system with the service squid as a proxy application. Generally, a
proxy server is very useful in the management of information technology, namely
in terms of speeding up access to the Internet and can be used to filter
unwanted content
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