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Shell Scripting Interview Questions and Answers

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Ques 1. What is a shebang line in a shell script?

A shebang line is a special comment that specifies the path to the interpreter for the script.

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Ques 2. Explain the difference between single and double brackets in conditional statements.

Single brackets are the traditional test command, while double brackets are an enhanced version with additional features.

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Ques 3. How do you comment out multiple lines in a shell script?

You can use the `: ' comment ' :` syntax to comment out multiple lines.

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Ques 4. What is the purpose of the `set` command in a shell script?

The `set` command is used to change the behavior of the script by modifying shell options.

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Ques 5. Explain the use of the `shift` command in a shell script.

The `shift` command is used to shift the positional parameters to the left.

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