Which command will create a new environment variable?

Q: Which command will create a new environment variable?

or

Q: Which command is going to make an environment variable new?

• export
• env
• input
•    wc

Explanation: To generate or edit environment variables in Bash, the export command is the tool to utilize. You might use the following command, for instance, to create a new environment variable with the name MY_VARIABLE and a value of 123:For the purpose of making the MY_VARIABLE environment variable accessible to other processes and commands running inside the same shell session, this command first creates the variable and then sets it to the value 123.