IBM AIX VS Red Hat Enterprise Linux
As of 30 October 2026, Red Hat Enterprise Linux is named by 1,653 companies and IBM AIX by 242; IBM AIX skews to companies under 200 people (36% vs 42%), Red Hat Enterprise Linux to companies over 1,000 (35% vs 41%).
As of 30 October 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: IBM AIX's script and mail records show on hundreds of thousands of small sites, Red Hat Enterprise Linux rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- IBM AIX: 2–200 employees
- 36%
- Red Hat Enterprise Linux: 2–200 employees
- 42%
- IBM AIX: 1,000+ employees
- 41%
- Red Hat Enterprise Linux: 1,000+ employees
- 35%
- Postings per company, 90 days
- 2.9 · 4.6
- 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 | IBM AIX | share | Red Hat Enterprise Linux | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 11 | 1% | even |
| 2-10 employees | 8 | 3% | 79 | 5% | even |
| 11-50 employees | 34 | 14% | 244 | 15% | even |
| 51-200 employees | 44 | 18% | 369 | 22% | Red Hat Enterprise Linux |
| 201-500 employees | 35 | 14% | 225 | 14% | even |
| 501-1000 employees | 19 | 8% | 154 | 9% | even |
| 1001-5000 employees | 39 | 16% | 254 | 15% | even |
| 5001-10000 employees | 18 | 7% | 77 | 5% | IBM AIX |
| 10,001+ employees | 42 | 17% | 240 | 15% | IBM AIX |
| Segment | IBM AIX | share | Red Hat Enterprise Linux | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 114 | 47% | 827 | 50% | Red Hat Enterprise Linux |
| Business & finance services | 60 | 25% | 315 | 19% | IBM AIX |
| Manufacturing & industry | 19 | 8% | 211 | 13% | Red Hat Enterprise Linux |
| Health care | 13 | 5% | 31 | 2% | IBM AIX |
| Commerce & trade | 9 | 4% | 29 | 2% | even |
| Public, community & associations | 8 | 3% | 47 | 3% | even |
| Consumer services & leisure | 6 | 2% | 37 | 2% | even |
| Utilities & infrastructure | 5 | 2% | 52 | 3% | even |
| Transport, logistics & rental | 3 | 1% | 22 | 1% | even |
| Automotive | 2 | 1% | 18 | 1% | even |
| Media & content | 2 | 1% | 37 | 2% | even |
| Property & construction | 1 | 0% | 19 | 1% | even |
| Segment | IBM AIX | share | Red Hat Enterprise Linux | share | Leans |
|---|---|---|---|---|---|
| United States | 131 | 54% | 966 | 58% | Red Hat Enterprise Linux |
| France | 24 | 10% | 80 | 5% | IBM AIX |
| Canada | 15 | 6% | 47 | 3% | IBM AIX |
| Germany | 13 | 5% | 102 | 6% | even |
| United Kingdom | 11 | 5% | 101 | 6% | even |
| Italy | 5 | 2% | – | – | outside top 12 |
| Singapore | 5 | 2% | 22 | 1% | even |
| Spain | 3 | 1% | – | – | outside top 12 |
| India | 3 | 1% | 40 | 2% | even |
| Portugal | 3 | 1% | – | – | outside top 12 |
| United Arab Emirates | 2 | 1% | – | – | outside top 12 |
| Argentina | 2 | 1% | – | – | outside top 12 |
| Netherlands | – | – | 23 | 1% | outside top 12 |
| Poland | – | – | 22 | 1% | outside top 12 |
| Switzerland | – | – | 19 | 1% | outside top 12 |
| Sweden | – | – | 19 | 1% | outside top 12 |
| Australia | – | – | 18 | 1% | outside top 12 |
| Segment | IBM AIX | share | Red Hat Enterprise Linux | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 729 | 50% | 4,714 | 46% | IBM AIX |
| Software engineering | 251 | 17% | 2,657 | 26% | Red Hat Enterprise Linux |
| Engineering (non-software) | 47 | 3% | 578 | 6% | Red Hat Enterprise Linux |
| Product, program & project management | 29 | 2% | 146 | 1% | even |
| Data & AI | 26 | 2% | 214 | 2% | even |
| Sales | 15 | 1% | 145 | 1% | even |
| Skilled trades and field service | 7 | 0% | 20 | 0% | even |
| Administration & office | 6 | 0% | 25 | 0% | even |
| Customer service & success | 6 | 0% | 121 | 1% | even |
| Finance & accounting | 6 | 0% | – | – | outside top 12 |
| General management & consulting | 5 | 0% | 20 | 0% | even |
| Human resources | 4 | 0% | – | – | outside top 12 |
| Education & training | – | – | 25 | 0% | outside top 12 |
| Business development & strategy | – | – | 17 | 0% | outside top 12 |
The companies behind each column
Companies using IBM AIX →
Companies using Red Hat Enterprise Linux →
linux unix ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Red Hat Enterprise Linux is named by 1,653 companies in job postings and IBM AIX by 242; 185 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/ibm-aix-vs-red-hat-enterprise-linux)
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.
IBM AIX vs Red Hat Enterprise Linux: questions
Which is more used, IBM AIX or Red Hat Enterprise Linux?
By companies naming it in their own job postings, Red Hat Enterprise Linux (1,653) over IBM AIX (242). By website-and-DNS footprint, Red Hat Enterprise Linux (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses IBM AIX?
36% of IBM AIX companies have 2 to 200 employees, against 42% for Red Hat Enterprise Linux. 41% of IBM AIX companies have over 1,000 employees, against 35% for Red Hat Enterprise Linux.
Do companies run both?
185 companies name both in their postings, usually IBM AIX in marketing and Red Hat Enterprise Linux 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.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on IBM AIX or Red Hat Enterprise Linux. Start free, no card.