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Flatcar Container Linux vs Ubuntu Linux comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 16, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Flatcar Container Linux
Ranking in Operating Systems (OS) for Business
27th
Average Rating
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Ubuntu Linux
Ranking in Operating Systems (OS) for Business
2nd
Average Rating
8.6
Reviews Sentiment
7.6
Number of Reviews
149
Ranking in other categories
OpenStack (1st)
 

Mindshare comparison

As of October 2025, in the Operating Systems (OS) for Business category, the mindshare of Flatcar Container Linux is 0.7%, up from 0.4% compared to the previous year. The mindshare of Ubuntu Linux is 11.5%, down from 18.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
Ubuntu Linux11.5%
Flatcar Container Linux0.7%
Other87.8%
Operating Systems (OS) for Business
 

Featured Reviews

YD
The solution is stable and allows us to make needed changes
The development teams could sharpen their skills.  They should offer applications on the net I have eight years of experience with Flatcar Container Linux. The version of Flatcar Container Linux that I am using is stable. The scalability of this product is fine. It allows us to make the needed…
PrashantSharma - PeerSpot reviewer
Performs efficiently but requires overcoming a learning curve
There are many differences between Ubuntu Linux and Windows as they are totally different systems. You need to have more knowledge about Linux before using Ubuntu Linux. Although it is designed as a desktop system, basic knowledge is still required. Windows can be used by any layman, which is the main difference. I do not know much about security breaches or potential issues. The Wi-Fi and wireless capabilities work perfectly fine. Excluding the learning curve, I would rate it a 10. However, considering the learning curve, I would give it a six or seven. My advice would be to have patience. Overall rating: 10 out of 10.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Flatcar's support is good. The version I am using is stable and allows us to make needed changes."
"The feature that I most like in Ubuntu is that it is really easy to use. Ubuntu is very easy to use and comes with many available packages. I think that Ubuntu is a good solution for the small business or a small lab."
"Ubuntu Linux is developer-oriented."
"Windows needs a refresh option to refresh its screen, but Ubuntu doesn't need that. It refreshes automatically and works well."
"More people should use this solution."
"We can easily customize the NTS Client code."
"The setup cost is free."
"The auto upgrade operating system feature."
"It has a nice user interface and provides frequent updates."
 

Cons

"The development teams could sharpen their skills. They should offer applications on the net."
"The user interface could be improved, as it looks a little bit older."
"The performance of this product could still be improved, as it's always good to improve on the performance of any product, no matter how satisfied you are with it."
"The solution could be more user-friendly, as I use Mac on a day to day basis."
"On the gaming side, things are happening but there are some games that should be ported to Ubuntu."
"The problem with the license costs for Ubuntu Linux right now is due to currency exchange, as everything is based on US dollars."
"I am really very satisfied with this solution. However, one thing that I would like to see improve, is to have better support for multiple screens with multiple resolutions. For me, that is the most important feature."
"Ubuntu might work for a bigger company, but I don't think so. Again, you would have to get the right people to do it. You need somebody technical. If you have a bunch of people who aren't technical, then it is just going to be a headache trying to get a feel for it or teach them."
"One of the reasons people don't use Ubuntu on servers is because they are not as secure as Red Hat."
 

Pricing and Cost Advice

Information not available
"This solution is free."
"I am using the free version. There is no subscription."
"There is not a license needed for the solution. You only have to pay for technical support."
"It is 100% free."
"The product is cheap compared to Windows."
"The solution is open source and we do not need to pay for a license."
"Ubuntu Linux is free to use."
"The solution is open source, so there is no licensing fee."
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Top Industries

By visitors reading reviews
Computer Software Company
25%
Manufacturing Company
13%
Comms Service Provider
12%
Retailer
6%
Computer Software Company
13%
University
10%
Comms Service Provider
9%
Educational Organization
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business83
Midsize Enterprise20
Large Enterprise53
 

Questions from the Community

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Which would you choose - Ubuntu Linux or Oracle Linux?
Ubunto Linux is a complete Linux operating system that is freely available with both community and professional support. This solution is suitable for both desktop and server use. It has a very app...
What do you like most about Ubuntu Linux?
It has a good support system for loading databases.
What is your experience regarding pricing and costs for Ubuntu Linux?
My experience with the pricing for Ubuntu Linux is that I always use the free version, so I never paid for any installations or support.
 

Also Known As

No data available
Ubuntu
 

Overview

 

Sample Customers

CISCO, mettle, Microsoft, Upguard, GMX
Samsung, eBay, AT&T, Walmart, Cisco, Time Warner Cable, Bloomberg, Best Buy, Dell, Intel, Microsoft, Ericsson, Orange, Wells Fargo
Find out what your peers are saying about Red Hat, Canonical, Oracle and others in Operating Systems (OS) for Business. Updated: September 2025.
868,759 professionals have used our research since 2012.