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Shell Scripting Pertanyaan dan Jawaban Wawancara

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Ques 21. Explain the use of the `tee` command in shell scripting.

The `tee` command is used to redirect output to multiple files and the standard output.

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Ques 22. What is a here document in shell scripting?

A here document is a way to redirect input into a command or a file using <<.

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Ques 23. How do you check if a variable is set in a shell script?

You can use the `isset` or `[ -z $var ]` syntax to check if a variable is set.

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Ques 24. Explain the use of the `dirname` command in shell scripting.

The `dirname` command is used to extract the directory component of a pathname.

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Ques 25. What is the purpose of the `getopts` command in shell scripting?

The `getopts` command is used to parse command-line options in shell scripts.

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