Education & Reference
Shell Command Language
Last updated 2026-07-26 · benchmark checked 2026-08-13 · unchanged since 2026-07-26 — deterministic & reproducible
Reference specification for the POSIX Shell Command Language (IEEE Std 1003.1-2017).
Is Shell Command Language production-ready?
Legit.Show scores Shell Command Language 65 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Shell Command Language (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Performance; its weakest is Discoverability. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 100/100
- Accessibility — 67/100
- Security — 90/100
- Privacy — 25/100
- Reliability — 92/100
- Standards — 67/100
- Discoverability — 15/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 402 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
Shell developers · System administrators · POSIX compliance implementers · Technical writers · Unix/Linux users
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