Tcl VS Unix Shell
As of 4 November 2026, Unix Shell is named by 2,747 companies and Tcl by 463; Tcl skews to companies under 200 people (42% vs 43%), Unix Shell to companies over 1,000 (33% vs 37%).
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: Tcl's script and mail records show on hundreds of thousands of small sites, Unix Shell rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Tcl: 2–200 employees
- 42%
- Unix Shell: 2–200 employees
- 43%
- Tcl: 1,000+ employees
- 37%
- Unix Shell: 1,000+ employees
- 33%
- Postings per company, 90 days
- 8.2 · 3.6
- 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 | Tcl | share | Unix Shell | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 8 | 2% | 68 | 2% | even |
| 2-10 employees | 40 | 9% | 175 | 6% | Tcl |
| 11-50 employees | 66 | 14% | 445 | 16% | even |
| 51-200 employees | 89 | 19% | 551 | 20% | even |
| 201-500 employees | 57 | 12% | 359 | 13% | even |
| 501-1000 employees | 33 | 7% | 240 | 9% | even |
| 1001-5000 employees | 65 | 14% | 402 | 15% | even |
| 5001-10000 employees | 24 | 5% | 135 | 5% | even |
| 10,001+ employees | 81 | 17% | 372 | 14% | Tcl |
| Segment | Tcl | share | Unix Shell | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 221 | 48% | 278 | 10% | Tcl |
| Technology & software | 116 | 25% | 1,378 | 50% | Unix Shell |
| Business & finance services | 58 | 13% | 558 | 20% | Unix Shell |
| Public, community & associations | 16 | 3% | 80 | 3% | even |
| Utilities & infrastructure | 12 | 3% | 84 | 3% | even |
| Media & content | 9 | 2% | 86 | 3% | even |
| Automotive | 8 | 2% | 32 | 1% | even |
| Commerce & trade | 7 | 2% | 62 | 2% | even |
| Consumer services & leisure | 6 | 1% | 87 | 3% | even |
| Health care | 5 | 1% | 23 | 1% | even |
| Property & construction | 4 | 1% | 35 | 1% | even |
| Transport, logistics & rental | 1 | 0% | 27 | 1% | even |
| Segment | Tcl | share | Unix Shell | share | Leans |
|---|---|---|---|---|---|
| United States | 288 | 62% | 1,507 | 55% | Tcl |
| United Kingdom | 34 | 7% | 152 | 6% | even |
| India | 19 | 4% | 126 | 5% | even |
| France | 16 | 3% | 155 | 6% | Unix Shell |
| Germany | 12 | 3% | 183 | 7% | Unix Shell |
| Canada | 11 | 2% | 49 | 2% | even |
| Belgium | 6 | 1% | – | – | outside top 12 |
| Spain | 6 | 1% | 21 | 1% | even |
| Austria | 4 | 1% | – | – | outside top 12 |
| Switzerland | 4 | 1% | 22 | 1% | even |
| China | 4 | 1% | – | – | outside top 12 |
| Ireland | 4 | 1% | – | – | outside top 12 |
| Brazil | – | – | 53 | 2% | outside top 12 |
| Singapore | – | – | 38 | 1% | outside top 12 |
| Australia | – | – | 33 | 1% | outside top 12 |
| Netherlands | – | – | 25 | 1% | outside top 12 |
| Segment | Tcl | share | Unix Shell | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 3,669 | 75% | 1,317 | 9% | Tcl |
| Software engineering | 320 | 7% | 4,831 | 34% | Unix Shell |
| IT operations & business systems | 100 | 2% | 4,045 | 28% | Unix Shell |
| Sales | 48 | 1% | 102 | 1% | even |
| Data & AI | 36 | 1% | 1,039 | 7% | Unix Shell |
| Design & UX | 30 | 1% | 17 | 0% | even |
| Quality, safety & environment | 26 | 1% | 42 | 0% | even |
| Product, program & project management | 16 | 0% | 115 | 1% | even |
| Skilled trades and field service | 4 | 0% | 20 | 0% | even |
| Unclassified | 4 | 0% | 34 | 0% | even |
| Customer service & success | 3 | 0% | 213 | 1% | even |
| Healthcare clinical | 3 | 0% | – | – | outside top 12 |
| Research and science | 3 | 0% | 36 | 0% | even |
| Construction and civil | 2 | 0% | 8 | 0% | even |
| Administration & office | 1 | 0% | 24 | 0% | even |
| Arts media and entertainment | 1 | 0% | 10 | 0% | even |
| Business development & strategy | 1 | 0% | – | – | outside top 12 |
| General management & consulting | 1 | 0% | 19 | 0% | even |
| Logistics warehouse and transport | 1 | 0% | 4 | 0% | even |
| Retail & store operations | 1 | 0% | 1 | 0% | even |
| Legal, compliance & risk | – | – | 31 | 0% | outside top 12 |
| Finance & accounting | – | – | 20 | 0% | outside top 12 |
| Marketing & communications | – | – | 13 | 0% | outside top 12 |
| Manufacturing and production | – | – | 8 | 0% | outside top 12 |
| Education & training | – | – | 6 | 0% | outside top 12 |
| Human resources | – | – | 5 | 0% | outside top 12 |
| Facilities cleaning and security | – | – | 2 | 0% | outside top 12 |
| Hospitality and food service | – | – | 1 | 0% | outside top 12 |
| Procurement and purchasing | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Tcl →
Companies using Unix Shell →
shell scripting languages ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Unix Shell is named by 2,747 companies in job postings and Tcl by 463; 137 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/tcl-vs-unix-shell)
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.
Tcl vs Unix Shell: questions
Which is more used, Tcl or Unix Shell?
By companies naming it in their own job postings, Unix Shell (2,747) over Tcl (463). By website-and-DNS footprint, Unix Shell (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Tcl?
42% of Tcl companies have 2 to 200 employees, against 43% for Unix Shell. 37% of Tcl companies have over 1,000 employees, against 33% for Unix Shell.
Do companies run both?
137 companies name both in their postings, usually Tcl in marketing and Unix Shell 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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