How do I export a variable in Linux terminal?

Can you export a variable?

You can use the export command to make local variables global. To make your local shell variables global automatically, export them in your . profile file. Note: Variables can be exported down to child shells but not exported up to parent shells.

How do I export a variable in Bash?

To export all the listed variables to child processes, use the -p option. The two variables created in this article are at the bottom of the output. To undo the effect of export -p , use the -n option. The variables are again limited to the current shell session.

What is the export command in Linux?

The export command in Linux is used for creating environment variables. Understand how it works and how you can use export command for practical usage.

How do I export a shell script variable?

Export Variables1vech=Bus. Display the value of a variable with echo, enter:2echo "$vech" Now, start a new shell instance, enter:3bash. Now, display back the value of a variable vech with echo, enter:4echo $vech. ... 5export backup="/nas10/mysql" echo "Backup dir $backup" bash echo "Backup dir $backup" ... 6export -p.

How do I export a variable in Linux?

Export Variables. By default all user defined variables are local. They are not exported to new processes. Use export command to export variables and functions to child processes. If no variable names or function names are given, or if the -p option is given, a list of all names that are exported in this shell is printed.

How to turn a shell variable into an environment variable in Linux?

If you want to turn a shell variable into an environment variable, return to the parent shell and export it with the export command: 2. Use printenv to confirm the successful export: 3.

How to export variables and functions to child processes in Linux?

Use export command to export variables and functions to child processes. If no variable names or function names are given, or if the -p option is given, a list of all names that are exported in this shell is printed.