Linux is an open-source computer operating system originally developed for use on personal computers but now broadly used on smartphones, servers, mainframe computers, supercomputers and more. Linux has long been the basis of commercial networking devices, but now it's a mainstay of enterprise infrastructure. Its use has expanded to underpin systems for cars, phones, web servers and, more recently, networking gear.
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The success or quick closure of software and application can often be traced back to its software development life cycle or SDLC. SDLC serves as a guide to a project and provides a flexible and consistent medium to accommodate changes, and perform the project to meet dynamic objectives. This enables a project to be completed with better planning and management