Language · 1971–now · Foundations
Unix shell
Pipes, globs, and glue. The programming language that never needed a framework conference.
Why Unix shell stuck
Shell stuck because ops is composition and every server still speaks sh. It failed as an application language when scripts became untestable 4,000-line monsters. The durable win is the pipeline model; the invoice is bash in production without set -e.

Compare with
Related
Platform · 1971–now
Unix / POSIX
Process model, pipes, and files-as-interfaces. Linux and macOS still speak this dialect every day.
Platform · 1991–now
Linux
The production OS. Cloud VMs, containers, phones, routers — the penguin ate the datacenter.
Practice · 1976–now
Make
Dependency graphs as a file. Still the bootstrap build tool when everything else is too clever to trust.
Language · 1987–2010
Perl
The duct tape of the early web and sysadmin era. Regex culture in a language that read like line noise.