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CompTIA Exam DS0-001 Topic 5 Question 29 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 29
Topic #: 5
[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 Sheron at Sep 16, 2024, 01:48 PM

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Leota
23 days ago
I'd say D, but I'm more of a zsh kind of guy. Bash is so 2010.
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Kirk
3 days ago
Bash may be old, but it's still widely used in Linux command-line scripts.
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Rhea
5 days ago
Yeah, D is the typical instruction for a system shell.
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Carlene
15 days ago
I prefer zsh too, but D is the correct answer.
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Stephania
30 days ago
D, of course. The only thing missing is a snarky comment about the person who wrote this question. *rolls eyes*
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Huey
1 months ago
Aw man, I was hoping for something more challenging. D is the obvious choice, even a caveman would know that!
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Lemuel
12 days ago
It's definitely D, no doubt about it.
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Dean
14 days ago
Yeah, D is the correct choice.
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Lindsey
23 days ago
D) #!/bin/bash
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Norah
1 months ago
I'm not sure, but I think D) #!/bin/bash could also be a valid option for a Linux command-line script.
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Yuette
1 months ago
I agree with Veronika, because /bin/bash is commonly used as the system shell in Linux.
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Veronika
1 months ago
I think the answer is A) /bin/bash.
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Inocencia
1 months ago
D, no doubt about it. That's the standard way to specify the shell interpreter in a script.
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Genevive
5 days ago
Yes, that's the standard way to do it in Linux command-line scripts.
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Magdalene
12 days ago
D) #!/bin/bash
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Annice
13 days ago
Oh, I see. So that's another way to specify the shell interpreter?
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Karina
27 days ago
A) /bin/bash
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Dewitt
28 days ago
Exactly, that's the correct way to specify the shell interpreter.
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Nu
1 months ago
D) #!/bin/bash
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Oliva
2 months ago
Hmm, looks like a classic Linux script question. I'm going with D, that shebang line is the way to go!
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Mari
1 months ago
I think D is the right choice too. The shebang line tells the system which interpreter to use for the script.
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Rosalyn
1 months ago
I agree, D is the correct answer. That shebang line is essential for a Linux script.
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