Acientsoft

Acientsoft was a company made in 1 Vigintillion BTE and ended in 1 Million BTE succeded by Oggosoft

Wrong Theories about Oggosoft being 1st company to make OSES
It is not actually Oggosoft or Acientsoft

This was discovered in 2421 when a french guy named Jacqués De Marçou time traveled to 1 Vigintillion BC and found a man, (Its name is unknown) who had a PC developer and a sign that sayd Acientsoft, 1st OS coming next 2 months!