Education & Reference

tty(4)

Last updated 2026-08-20 · benchmark measured 2026-08-20 — deterministic & reproducible

Linux manual page for /dev/tty, the controlling terminal character device.

Are you the maker of tty(4)? Claim this listing. It is free, takes a meta tag, a DNS record or GitHub admin rights, and never changes the score.

Launched something? Add your product, free.

To cite this score: legit.show/s/man7-org/2026-08-20. That address never changes; this page moves with every re-measure.

Legit.Show scored tty(4) 57/100 on 2026-08-20, measured across all 7 frames from its public surface. legit.show/s/man7-org/2026-08-20

Is tty(4) production-ready?

Legit.Show scores tty(4) 57 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on tty(4) (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 91/100
• Accessibility — 96/100
• Security — 10/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 0/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 92/100
• Standards — 92/100
• Discoverability — 15/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 807 ms to first byte.
• Returns a proper 404 for unknown routes.
• 0 of 0 sampled routes reachable.
• No privacy policy found.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

System programmers · Linux developers · Daemon process developers

Sources and updates

Description

Taken from man7.org's own website on 2026-08-20.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-08-20.

Put together from public information, without tty(4)'s involvement. If anything here is wrong, tell us and a person will check it.

Visit tty(4) → · Alternatives to tty(4) → · How this was measured →