Shell Scripting perguntas e respostas de entrevista
Pergunta 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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Pergunta 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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Pergunta 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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Pergunta 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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Pergunta 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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