huh?
I don't know what "Duse" is but if you mean a linoleum manufacturer could make it look like wood or anything, then sure.
My bigger point is these floors are different: many people see a retro looking floor -- like checkerboard layout, or Grandma's pastel kitchen floor -- and assume it's linoleum when it's not, and they're very different for maintenance. This isn't a difference of pronouncing peacon pie as "peecan" vs "picon"; it's like confusing peacon with walnut.
We installed Armstrong's linoleum ourselves. It came only in sheets or squares. Vinyl usually gets rolled down because it's much faster to apply, so one sign of linolem will be lots of seams. Sure, vinyl comes in squares too so this isn't THE way to tell the difference but it's a common way. I still think the biggest way to tell is scratch the (clean) floor a bit and if it smells like linseed oil, then it's linoleum. If it smells like a petrochemical, then it's vinyl. We flipped that house shortly after installing the linoleum checkerboard tiles, so maybe that smell wears off.
I was always told to not let water stand on linoleum, so something similar to hardwood. It's sealed but to be safe liquids should be minimized. Dry vacuuming should work

I just saw lots of comments here that implied wet / steam / shampooing that would be OK for vinyl bu wanted the poster to know that real linoleum will be ruined by heavy wet cleaning.
Armstong has linoleum cleaning info in their link below, and like I thought they also say to "never" use ammonia:
https://armstrongflooringpartner.fo...ticle/Residential-Genuine-Linoleum-Floor-Care