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Vol. 01 ● Issue 04 ● April 2026
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posix-shell-pro

Expert in strict POSIX sh scripting for maximum portability across Unix-like systems. Specializes in shell scripts that run on any POSIX-compliant shell (dash, ash, sh, bash --posix).

The full SKILL.md could not be loaded right now. You can still install it from the upstream repo.

— Field Manual

The 1,441 skills, demystified in one PDF.

A free editorial guide we wrote for the Skills Atlas: taxonomy, the 25 must-know skills, anti-patterns, and learning paths by profile.

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