E-commerce operation support System What's this thing, what's the deal?

E-commerce operation support System what is this?
1, computer and related majors, at least one year working experience;
2, proficient in PHP, and familiar with C #;
3, with e-commerce operation support System or ERP system development experience is preferred;
4, with a good sense of professionalism, responsibility, team awareness and standardized development awareness.
This is just see the job requirements, I am the e-commerce operation support System this thing do not know, tomorrow to apply for this company, hereby solve
------Solution--------------------
From the back part you should be able to see what it is ... The storage.

