"Like" means "similar to, but not exactly". "He looks like his father." "As" means "exactly the same". "He's as tall as his father." (note the the as... as pattern).

Like means "He looks like a hero" As means "he working as a manager in my company"

as...as =tan.....como "like" va después de un verbo y el "as" antes. I work like my father. I want to learn English as you do. Trabajo como mi padre. Deseo aprender Ingles igual que usted. Work (like) English (as)