add do1-do7 di1 procfs

hc

2023-10-12 3124110e504ba82e43686669ed7188bcdbe72744

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- Original image: https://pixabay.com/en/fractal-digital-spiral-1231400/
  (Licensed under the terms of the Pixabay License: https://pixabay.com/en/service/license/)
 
- Modified by jdgleaver