What Is True About the File

question 6

Multiple Choice

What is true about the file .profile in a user's home directory?

• A) It must be executable.
• B) It must call the binary of the login shell.
• C) It must use a valid shell script syntax.
• D) It must start with a shebang.
• E) It must be readable for its owner only.

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Definitions:

Frequency

The rate at which a repeated event happens in a given unit of time or space.

Null Hypothesis

a statistical hypothesis that assumes no effect or no difference between phenomena or populations.

Level of Significance

A threshold in statistical analysis that measures the probability of rejecting a true null hypothesis; commonly set at values like 0.05 or 0.01.

Headaches

A common physical ailment characterized by pain in any region of the head, varying greatly in intensity, pattern, and cause.