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CompTIA Exam DS0-001 Topic 3 Question 42 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 42
Topic #: 3
[All DS0-001 Questions]

Which of the following is a typical instruction that is found on a Linux command-line script and represents a system shell?

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Suggested Answer: D

The instruction that is found on a Linux command-line script and represents a system shell is #!/bin/bash. This instruction is called a shebang or a hashbang, and it indicates the interpreter that should be used to execute the script. In this case, the interpreter is /bin/bash, which is the path to the bash shell, a common system shell for Linux. A system shell is a program that provides an interface for users to interact with the operating system, either through commands or scripts. A system shell can also perform various tasks, such as file management, process control, variable assignment, etc. The other options are either incorrect or not typical for this purpose. For example, /bin/bash is the path to the bash shell, but it does not indicate the interpreter for the script; #/bin/shell is not a valid shebang or a path to a system shell; >/bin/sh is a redirection operator followed by a path to a system shell, but it does not indicate the interpreter for the script.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.2 Given a scenario, create database objects using scripting and programming languages.


by Ethan at Jul 09, 2025, 06:34 PM

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Chery
2 days ago
I'm not sure, but I think D) #!/bin/bash could also be a valid option.
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Freida
3 days ago
I agree with Emily. The shebang line is a common convention to ensure the script is executed with the appropriate shell.
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Adelle
7 days ago
I agree with Pamela, /bin/bash is a typical instruction for a Linux command-line script.
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Pamela
9 days ago
I think the answer is A) /bin/bash.
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Emily
10 days ago
Option D is the correct answer. The shebang line '#!/bin/bash' is a standard way to specify the system shell for a Linux script.
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