In the late 1990's, I briefly worked with one of the founders of Galactic Software, the firm that created LDOS. I commented to him that after nearly 20 years LD

In the late 1990's, I briefly worked with one of the founders of Galactic Software, the firm that created LDOS. I commented to him that after nearly 20 years LDOS still felt more powerful than MS-DOS. He agreed with me, and explained how many Unix type features such as pipes and a real shell they had implemented.