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Fleetora · first roles in DERed Hat Enterprise Linux VS Unix_
As of 4 November 2026, Unix is named by 2,662 companies and Red Hat Enterprise Linux by 2,259; Red Hat Enterprise Linux skews to companies under 200 people (42% vs 43%), Unix to companies over 1,000 (34% vs 34%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Red Hat Enterprise Linux's script and mail records show on hundreds of thousands of small sites, Unix rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Red Hat Enterprise Linux: 2–200 employees
- 42%
- Unix: 2–200 employees
- 43%
- Red Hat Enterprise Linux: 1,000+ employees
- 34%
- Unix: 1,000+ employees
- 34%
- Postings per company, 90 days
- 4.2 · 3.4
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Red Hat Enterprise Linux | share | Unix | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 37 | 2% | 63 | 2% | even |
| 2-10 employees | 125 | 6% | 183 | 7% | even |
| 11-50 employees | 312 | 14% | 444 | 17% | Unix |
| 51-200 employees | 519 | 23% | 515 | 19% | Red Hat Enterprise Linux |
| 201-500 employees | 302 | 13% | 321 | 12% | even |
| 501-1000 employees | 196 | 9% | 242 | 9% | even |
| 1001-5000 employees | 335 | 15% | 386 | 15% | even |
| 5001-10000 employees | 103 | 5% | 132 | 5% | even |
| 10,001+ employees | 330 | 15% | 376 | 14% | even |
| Segment | Red Hat Enterprise Linux | share | Unix | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 1,086 | 48% | 1,305 | 49% | even |
| Business & finance services | 436 | 19% | 536 | 20% | even |
| Manufacturing & industry | 274 | 12% | 257 | 10% | Red Hat Enterprise Linux |
| Public, community & associations | 82 | 4% | 102 | 4% | even |
| Utilities & infrastructure | 76 | 3% | 90 | 3% | even |
| Consumer services & leisure | 68 | 3% | 83 | 3% | even |
| Commerce & trade | 53 | 2% | 48 | 2% | even |
| Media & content | 53 | 2% | 84 | 3% | even |
| Health care | 41 | 2% | 61 | 2% | even |
| Transport, logistics & rental | 35 | 2% | 37 | 1% | even |
| Property & construction | 23 | 1% | 22 | 1% | even |
| Automotive | 22 | 1% | 20 | 1% | even |
| Segment | Red Hat Enterprise Linux | share | Unix | share | Leans |
|---|---|---|---|---|---|
| United States | 1,262 | 56% | 1,553 | 58% | Unix |
| United Kingdom | 123 | 5% | 130 | 5% | even |
| Germany | 122 | 5% | 118 | 4% | even |
| France | 103 | 5% | 123 | 5% | even |
| Canada | 57 | 3% | 65 | 2% | even |
| India | 56 | 2% | 96 | 4% | even |
| Netherlands | 30 | 1% | – | – | outside top 12 |
| Australia | 29 | 1% | 24 | 1% | even |
| Singapore | 28 | 1% | 30 | 1% | even |
| Switzerland | 26 | 1% | 24 | 1% | even |
| Sweden | 24 | 1% | – | – | outside top 12 |
| Spain | 23 | 1% | 33 | 1% | even |
| Italy | – | – | 33 | 1% | outside top 12 |
| Poland | – | – | 27 | 1% | outside top 12 |
| Segment | Red Hat Enterprise Linux | share | Unix | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 5,774 | 46% | 4,076 | 28% | Red Hat Enterprise Linux |
| Software engineering | 3,180 | 26% | 4,835 | 33% | Unix |
| Engineering (non-software) | 768 | 6% | 1,007 | 7% | even |
| Data & AI | 255 | 2% | 1,005 | 7% | Unix |
| Product, program & project management | 173 | 1% | 153 | 1% | even |
| Sales | 168 | 1% | 115 | 1% | even |
| Customer service & success | 152 | 1% | 317 | 2% | even |
| Administration & office | 29 | 0% | 31 | 0% | even |
| Education & training | 28 | 0% | 30 | 0% | even |
| General management & consulting | 26 | 0% | 26 | 0% | even |
| skilled trades and field service | 25 | 0% | 52 | 0% | even |
| Unclassified | 22 | 0% | 48 | 0% | even |
| Business development & strategy | 18 | 0% | 1 | 0% | even |
| Quality, safety & environment | 16 | 0% | 51 | 0% | even |
| research and science | 10 | 0% | 180 | 1% | even |
| construction and civil | 9 | 0% | 5 | 0% | even |
| Marketing & communications | 8 | 0% | 8 | 0% | even |
| Finance & accounting | 7 | 0% | 117 | 1% | even |
| logistics warehouse and transport | 7 | 0% | 15 | 0% | even |
| hospitality and food service | 4 | 0% | 6 | 0% | even |
| Human resources | 4 | 0% | 7 | 0% | even |
| Legal, compliance & risk | 4 | 0% | 30 | 0% | even |
| arts media and entertainment | 3 | 0% | 20 | 0% | even |
| public safety and protective services | 3 | 0% | 12 | 0% | even |
| facilities cleaning and security | 2 | 0% | 9 | 0% | even |
| Design & UX | 1 | 0% | 24 | 0% | even |
| manufacturing and production | 1 | 0% | 15 | 0% | even |
| procurement and purchasing | 1 | 0% | 2 | 0% | even |
| healthcare clinical | – | – | 11 | 0% | outside top 12 |
| real estate and property | – | – | 6 | 0% | outside top 12 |
The companies behind each column
Companies using Red Hat Enterprise Linux →
Companies using Unix →
linux unix ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Unix is named by 2,662 companies in job postings and Red Hat Enterprise Linux by 2,259; 430 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/red-hat-enterprise-linux-vs-unix)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Red Hat Enterprise Linux vs Unix: questions
Which is more used, Red Hat Enterprise Linux or Unix?
By companies naming it in their own job postings, Unix (2,662) over Red Hat Enterprise Linux (2,259). By website-and-DNS footprint, Unix (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Red Hat Enterprise Linux?
42% of Red Hat Enterprise Linux companies have 2 to 200 employees, against 43% for Unix. 34% of Red Hat Enterprise Linux companies have over 1,000 employees, against 34% for Unix.
Do companies run both?
430 companies name both in their postings, usually Red Hat Enterprise Linux in marketing and Unix in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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