Recent Episodes

Tag: environment

Environment.

ENV is a hash-like accessor for environment variables.
(ENV is among the Pre-defined variables and global constants.)

Episode #500: Subprocesses Part 12: Fork and Exec

Avdi Grimm October 9, 2017

Learn the twin pillars at the root of the UNIX process-spawning architecture!

Episode #427: Subprocesses Part 8: Environmental Isolation

Avdi Grimm July 18, 2016

In today's episode we'll see how to discover what environment variables our programs are implicitly relying on.

Episode #010: Finding $HOME

Avdi Grimm October 15, 2012

How to reliably discover a user's home directory.