About
This page is about Process Environment variable in Linux.
Management
Set
Shell
They are set generally with the shell. See Bash - (Environment) Variable
PAM
pam permits also an admin to set environment variable: See pam-env
The file used to set the environment variable are the below one:
- /etc/security/pam_env.conf: Default configuration file - When someone logs in, this file is read and the environment variables are set according.
- /etc/environment: Default environment file - simple KEY=VAL pairs on separate lines
- HOME/.pam_environment: User specific environment file
Get the env of a process
Start with a clean environment
clean env