Hands-on Introduction to Linux Commands and Shell Scripting Quiz Answer

All Weeks Hands-on Introduction to Linux Commands and Shell Scripting Quiz Answer

This mini-course provides a practical introduction to commonly used Linux / UNIX shell commands and teaches you the basics of Bash shell scripting to automate a variety of tasks. The course includes both video-based lectures as well as hands-on labs to practice and apply what you learn.

You will have no-charge access to a virtual Linux server that you can access through your web browser, so you don’t need to download and install anything to perform the labs.

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Hands-on Introduction to Linux Commands and Shell Scripting Week 01 Quiz Answer

Graded Quiz: Linux Commands and Shell Scripting

Q1. Which of the following shells is usually the default on Linux systems?

  • Bourne shell
  • ksh
  • bourne again shell
  • zsh

Q2. Which of the following common shell commands for working with files creates an empty file and updates a file timestamp?

  • grep
  • chmod
  • wc
  • touch

Q3. Which of the following common networking commands, displays or configures system network interfaces?

  • curl
  • ping
  • ifconfig
  • wget

Q4. What is one of the advantages of shell scripts over compiled languages?

  • interpreted at runtime
  • listed line by line in text files
  • easier and faster to develop
  • interactively enter commands on command line

Q5. Shell scripts are scripts that invoke a shell program. Which of the following invokes the Bourne shell program?

  • #!/bin/bash
  • #!/bin/zsh
  • #!/bin/sh
  • #!/bin/ksh

Q6. The ‘Hello World’ shell script example uses an ‘output redirection’ operator with the bash shebang. Which of the following symbols is used as the redirection operator?

  • ‘double greater than symbol’ >>
  • ‘double less than symbol’ <<
  • ‘double pipe symbol’ ||
  • ‘double plus sign symbol’ ++

Q7. What purpose does chaining filters together produce?

  • Pipeline
  • Multi-use script
  • Modifier
  • Examiner

Q8. What symbol do you use to define shell variables?

  • greater than symbol >
  • equal sign =
  • plus sign +
  • dollar sign $

Q9. Which command lists all environment variables?

  • env
  • grep
  • export
  • gree

Q10. Which of the following is the cron job syntax?

  • time day date command
  • command m h dom mon dow
  • crontab -e
  • m h dom mon dow command
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This Course is a part of the IBM Data Warehouse Engineer Professional Certificate

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