How do I export a variable in Bash?

How do I export a variable in bash shell?

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 shell variables?

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.

What is the export command in bash?

The export command is a built-in utility of Linux Bash shell. It is used to ensure the environment variables and functions to be passed to child processes. It does not affect the existing environment variable. Environment variables are set when we open a new shell session.

How do I export a variable in global bash?

for sh-compatible shells (including bash) use: VARIABLE=value; export VARIABLE or just export VARIABLE=value. for tcsh: setenv VARIABLE value.