Why does Acts not mention the deaths of Peter and Paul? To do this, you can use the following command: The 'service' command is used to start, stop, and reload system services in Linux distributions. This allows project-specific environment variables without cluttering the ~/.profile file. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Canadian of Polish descent travel to Poland with Canadian passport, Weighted sum of two random variables ranked by first order stochastic dominance. export BLABLA="environment variable set from the command line, saved in file for later use" The dot command will execute the contents of the specified file within the current shell session, allowing any changes made to take effect immediately. If you've made any changes to these variables, you'll need to reload the shell to apply them. Learn more about Stack Overflow the company, and our products. That's a feature inherited from the Bourne shell (from the late 70s) and present in all Bourne-like or POSIX shells (except for the last part about omitting NAME which is a zsh-specific extension). It's a parent- v. child-shell difference. Reloading the Bash shell can update various system settings, such as the system-wide PATH variable or the system language. I invite you to check my answer. Careful, there is more to this story than initially appears. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? If you use ZSH, adding typeset -U PATH prevents duplicates of PATH variables. For information about modifying your zsh shell startup script to keep variables and other settings across multiple sessions, see . Should I re-do this cinched PEX connection? When you reload the Bash shell, any running processes or background jobs will be terminated. The following examples show how to set environment variables in a terminal window and in a shell script for different operating systems. Added the exports to that, saved and exited vi, closed and reopened terminal, I don't see the exports there either. It only takes a minute to sign up. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. It only takes a minute to sign up. When do you use in the accusative case? Is this a bash vs. zsh difference? be omitted, in which case WORD is always substituted. When you update an environment variable, you may need to reload your Bash shell for the changes to take effect. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site.