Cheat Sheet logoCheat Sheet Today
Linux Shell Scripting Cheat Sheet/Export environment variable

Expose a variable to child processes.

Back to sheetBrowse commands
Sign in to save
Section: Variables and Expansion

Export environment variable

bash
bash
export APP_ENV=production
Explanation

Used for config values consumed by child commands and scripts.

View in sheet →

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Compare commandsView fixes

Related commands

Same sheet · prioritizing Variables and Expansion
Assign shell variable
Set a shell variable in the current shell.
OpenIn sheetbashsame section
Use default value if unset
Expand parameter with a fallback.
OpenIn sheetbashsame section
Require variable to be set
Fail fast if a variable is missing.
OpenIn sheetbashsame section
Capture command output
Assign command output to a variable.
OpenIn sheetbashsame section
Quote variable safely
Print variable preserving spaces.
OpenIn sheetbashsame section
Check whether file exists
Use a shell test in an if statement.
OpenIn sheetbash1 tag match