Idea of zero copy [with example]

In this article, we have explained the idea of zero copy intuitively with code examples. This is an important idea to design efficient systems.

Table of contents:

Pre-requisitesProblem statementIdea of Zero CopyApplications of Zero CopyCodes & examplesSetup environment to run the codeTry itReferences

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Pre-requisites:

FILE handling in C, system call (GNU/Linux preferred), kernel space, user-space, context switches, sockets in networking

Problem statement:

It is usual to ...