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Unix

Philosophy​

  • modular vs. monolithic
  • do one thing and do it well
  • composable
  • output of one program becomes input to another
  • avoid scope creep - keep it small, and make a new tool

Predefined Environment variables​

:::(envvar) EDITOR

  • Value must be an editor application that can be used from the command line :::

:::(envvar) PATH :::