Random Linux+ Question #34

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You are working with variables and have learned that there are shell variables and environment variables. You know that shell variables control the behavior of the shell itself while environment variables affect programs running outside the current shell. Some common environment variables are PATH, HOME, and USER. What command can you give that will produce a list of all variables no matter what type? Choose only one answer.

1. list
2. shell
3. env
4. history
5. export
6. set

 

I'll go for 2.

 

I'll guess at 1

 

5 please

 

Well,

I say 6! (So that means we have almost all the answers covered!)

 

Correct answer is #6, "set". If you type "export" you will get a list of all environment variables (shell variables won't be included). See Question #33 for more details.