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.
SBCL screenshot. Screenshot of en SBCL running in the en rxvtunicode en ImageMagick's import SBCL team urxvt team SBCL team GPL SBCL team Lisp programming language
Page 2023 Free-images.com. All images are Public Domain