Linux is a kind of software whose code is provided for use, modification, and redistribution. what kind of software is this?

Linux is a type of open-source software. The entire premise of open-source code is to make it as easy for people to develop and share as possible, instead of use as a vehicle to make money. This way, the collective knowledge of the community can make the program as secure and user-friendly as possible.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability