Linux commands 0=/home/user/ what do these 2 characters mean at the beginning of "0="?

Question

linux

What do these 2 characters mean?
cd /home/user/Desktop
So it enters the directory
But it does 0=/home/user/Desktopn’t, it says not found, what does 1 character in the path mean?
I'm stupid, although I know the linux base)

Answer 1

— And let's give Putin a lighter!
- He does not smoke!
- And let's give him a jacket in pineapples, pants so green and ...
- And you don't smoke!

Answer 2

I figured it out thanks everyone, it works like this: /
spisok=1 means 1=/home/user/Desktop/list1.txt
spisok=2 means 2=/home/user/Desktop/list2.txt