⚡ Operating Systems in Romania

Server operating systems are designed for computers that provide network services, such as hosting websites or storing data.

Romania is a Southeastern European country with a population of around 19 million people.

According to our research, operating systems are detected on 12.3% of websites from Romania.

⭐ Most Popular in 2026

The following chart shows the top operating systems on websites in Romania in 2026, based on market share.

The most popular is Linux, which dominates the market with an overwhelming 84.9% share.
It is followed by Ubuntu with 18.9% and Windows with 12.6%.

Linux 84.9%
Ubuntu 18.9%
Windows 12.6%
Debian 6.7%
CentOS 5.5%
Unix 2.3%
AlmaLinux 0.8%
Rocky Linux 0.5%
Fedora 0.4%
FreeBSD 0.3%
Red Hat Enterprise Linux 0.1%
Oracle Linux 0.1%
SUSE Linux 0.05%

🚀 Highlights

Here is a list of the top systems that are more popular in Romania than worldwide.
Differences between global and country rankings are shown in parentheses.

2. Ubuntu ^(-1)
7. AlmaLinux ^(-1)
8. Rocky Linux ^(-2)
9. Fedora ^(-3)
12. Oracle Linux ^(-2)
13. SUSE Linux ^(-3)

✨ Best Operating Systems

Below is a more detailed list of 13 operating systems used on sites from Romania, ranked by their market share.

Rank	Name	Market share
1	Linux San Francisco, California, United States A family of open-source, Unix-like operating systems based on the Linux kernel, originally created by Linus Torvalds and now maintained by a global community of contributors. FreeOpen source	84.9%
2	Ubuntu London, United Kingdom A free operating system based on Debian GNU/Linux, designed for use on desktops, laptops, servers, and mobile devices. FreeOpen source$500+/year	18.9%
3	Windows Redmond, Washington, United States A family of proprietary operating systems from Microsoft used on personal computers, servers, and virtualized environments. $1,176+	12.6%
4	Debian New York, United States A free and open source Linux distribution. FreeOpen source	6.7%
5	CentOS Raleigh, North Carolina, United States A discontinued open-source Linux distribution compatible with RHEL. Legacy	5.5%
6	Unix San Francisco, California, United States A family of multitasking, multi-user computer operating systems.	2.3%
7	AlmaLinux Estero, Florida, United States An open-source, community owned and governed, free enterprise Linux distribution focused on long-term stability. FreeOpen source	0.8%
8	Rocky Linux Albany, California, United States An open-source enterprise operating system designed to be 100% bug-for-bug compatible with Red Hat Enterprise Linux. FreeOpen source	0.5%
9	Fedora A Linux distribution developed by the Fedora Project. FreeOpen source	0.4%
10	FreeBSD Boulder, Colorado, United States An open source Unix-like operating system designed for reliability, performance, and advanced networking across servers, desktops, and embedded systems. FreeOpen source	0.3%
11	Red Hat Enterprise Linux Raleigh, North Carolina, United States A commercial Linux distribution developed by Red Hat for the enterprise market. $383.90+	0.1%
12	Oracle Linux Austin, Texas, United States A Linux distribution based on RHEL source code, freely distributed by Oracle.	0.1%
13	SUSE Linux Nuremberg, Germany A Linux-based operating system developed by SUSE. FreeOpen source€477.24+/year	0.05%

👉 See Also

🌎 Operating Systems in other countries

Data is based on the analysis of 15,025 websites from Romania.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.