KDP categories · Top KDP authors
Operating Systems (Computers & Technology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Operating Systems (Computers & Technology, Kindle eBooks), updated Nov 2, 2026: median price $8.00, median 5 reviews, average rating 4.4 and a KDPTop opportunity score of 37/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $12.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 28% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 2% of the parent category Computers & Technology (238), one of the easier corners under it.
- 28% of its best sellers came out in the last 90 days, more than in 94% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is lower than in 89% of Kindle eBooks categories: the median best seller has only 5 reviews, so new books can chart with few.
Top 10 Operating Systems best sellers
-
How to Install a Kindle on Your Device: A simple step to installing a Kindle app in few minutes (for iOS, Android, Mac, and PC)
by Zhuzh Tech
- List rank#1
- Price$2.99
- Rating3.2
- Reviews105
-
How to Manage Content and Devices in My Kindle Library: Download, Borrow, Share and Archive eBooks
by Jeremy E. Walters
- List rank#2
- Price$0.99
- Rating3.4
- Reviews26
-
Linux for Beginners: The Complete Survival Guide to Commands, Terminal, and System Administration
by Zayen Kairo
- List rank#3
- Price$0.99
- Rating4.8
- Reviews52
-
Site Reliability Engineering: How Google Runs Production Systems
by Betsy Beyer
- List rank#4
- Price$64.71
- Rating5.0
- Reviews1
-
CompTIA A+ 220-1201 and 220-1202 Study Guide: The Definitive Guide to Mastering Core 1 & 2 for Confident Exam Success with Hands-On Labs and Practical Exercises
by Dashiell Hambling
- List rank#5
- Price$0.52
- Rating4.4
- Reviews16
-
101 Labs - CompTIA Linux+: Hands-on Practice Labs for the XK0-006 Exam
- List rank#6
- Price$19.99
- Reviews-
-
PowerShell for Beginners 2026: The Complete Step-by-Step Guide to PowerShell 7.6 LTS (The Beginner's Tech Library Book 2)
by Aiden Corwyn
- List rank#7
- Price$2.99
- Rating5.0
- Reviews1
-
Kali Linux for Beginners, A step-by-step Guide to Ethical Hacking: Mastering Cybersecurity with Hands-On Exercises
by ETS Publishing
- List rank#8
- Price$7.99
- Rating4.1
- Reviews94
-
Operating Systems: Three Easy Pieces
by Remzi Arpaci-Dusseau
- List rank#9
- Price$9.99
- Rating4.6
- Reviews732
-
The Kubernetes Book
by Nigel Poulton
- List rank#10
- Price$9.99
- Rating4.5
- Reviews1,584
Subcategories
Same niche in Books: Operating Systems
FAQ
Is Operating Systems a good niche for Amazon KDP?
Its KDPTop opportunity score is 37/100, which makes it highly competitive. The median best seller has 5 reviews and sells for $8.00.
How many reviews do you need to rank in Operating Systems?
The median best seller has 5 reviews, and 78% of them have fewer than 100.
What do Operating Systems best sellers cost?
The median price is $8.00; half of the best sellers are priced between $4.99 and $12.99.
Can new books break into Operating Systems?
28% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.