HISTFILE env var unset within programs. Can I access it in any way?
86659
Difference between shell variables which are exported and those which are not in bash
48963
How do you remove a default program association for file types in Windows 7?
58433
What's a concise way to check that environment variables are set in a Unix shell script?
143103
How do I apply an environment map in Blender Internal?
789
How do I set a user environment variable? (permanently, not session)
154472
Can I export a variable to the environment from a bash script without sourcing it?
49216
How to update the PATH user environment variable from command-line
73552
Environment variables in Mac OS X
98789
Is there a way to change the environment variables of another process in Unix?
31320
What's the de-facto way of reading and writing files in Rust 1.x?
6241
How can I make environment variables "exported" in a shell script stick around?
58106
Local variables in Module leak into the Global context
126581
Is it Safe to Delete Files From /var/tmp?
42309
Using an environ environment with \newenvironment
121622
Can I change the environment on a per-process basis on Windows (like on Unix)?
134667
How can I set an environment variable which contains newline characters?
122936
Indirectly access environment variable