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Shell & TerminalNews July 11, 2026 3 min read

Bill Joy's C Shell Ships as Part of 2BSD, Introducing Command History

Distributed starting with 2BSD in 1979, Bill Joy's C shell introduced command history and aliases — features nearly every shell released since has copied.

#news#csh#bsd

Shell & TerminalDeep Dive July 10, 2026 5 min read

tcsh and csh: Why FreeBSD's Shell Heritage Isn't POSIX

FreeBSD default shells did not evolve from the Bourne lineage behind Bash and Zsh — tcsh descends from a separate design built to feel more like C.

#deep-dive#tcsh#csh