According to Wikipedia Torvalds started developing that in 2011, whereas he started Git in 2005. [1] https://en.wikipedia.org/wiki/Subsurface_(software) https:

According to Wikipedia Torvalds started developing that in 2011, whereas he started Git in 2005. [1] https://en.wikipedia.org/wiki/Subsurface_(software) https://en.wikipedia.org/wiki/Subsurface_(software) which is just an alias for Torvald's page, search for "late 2011"