This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Unix.svg en Unix unixdiagram org David du Colombier The MIT Copyright David du Colombier Permission is hereby granted free of charge to any person obtaining copy of this software and associated documentation files the Software to deal in the Software without restriction including without limitation the rights to use copy modify