Only the current version so far — new entries appear as the app ships updates.
Unix Tutorial is an education app by Sagar V Hande with 10,000+ downloads (about 46K estimated). +3 installs in the last 7 days. Rated 4.2 from 213 ratings. Released Dec 16, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “Unix : A world Specially for Programmers”