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Linux+ – LX0-102 – Exam 2 Samples – Question 30

To test a shell script called myscript, the environment variable FOOBAR must be removed temporarily. How can this be done?

A. unset -v FOOBAR
B. set -a FOOBAR=””
C. env -u FOOBAR myscript
D. env -i FOOBAR myscript

Correct Answer: C

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