tag

#environment

2 posts

Shell & TerminalDeep Dive July 12, 2026 2 min read

Environment Variables, Exports, and Subshell Boundaries

Shell variables and process environments overlap, but they are not the same. Export, fork/exec inheritance, subshells, pipelines, and sourcing define where changes survive.

#deep-dive#environment#subshell

Shell & TerminalFix July 12, 2026 2 min read

Fixing Scripts That Work Interactively but Fail Under cron

cron starts jobs with a small, non-interactive environment. Make paths, interpreters, working directories, credentials, and logging explicit instead of sourcing a full login shell.

#fix#cron#environment