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ubuntu.tar.gz

Python job

ncjob

In this course, you will get the chance to explore the command-line interface (CLI), starting with basics like navigating file systems and working with directories and files. Then, you will use those building blocks to tackle more advanced features and tasks within the CLI. You will also learn to turn basic commands into executable scripts and easily automate common tasks. This course will empower you to put the interface to work, take complete control of your computer, and hack your way to productivity.

Harnessing the Power of the Command-Line Interface

Which character is used to break a command into multiple lines?

Which character is used to break a command into multiple lines?

The `;` operator only executes the second command if the first one executes successfully.


The `&&` operator executes both commands sequentially, and `;` executes both commands in parallel.


The `&&` operator only executes the second command if the first one executes successfully.


What is the difference between `&&` and `;`?

What is the difference between <code>&amp;&amp;</code> and <code>;</code>?

**(True or False)** Variables declared in a subshell are globally accessible.

(True or False) Variables declared in a subshell are globally accessible.

Which is not an output of the `time` command after it is executed?

Which is not an output of the <code>time</code> command after it is executed?

What is the correct syntax to use the `^` operator?


What is the correct syntax to use the <code>^</code> operator?

Which character is used to make processes run in the background?

Which character is used to make processes run in the background?

**(True or False)** `SIGTERM` is used if `SIGKILL` fails to terminate a process.

(True or False) <code>SIGTERM</code> is used if <code>SIGKILL</code> fails to terminate a process.

**(True or False)** `$(command)` is the correct notation used for command substitution.

(True or False) <code>$(command)</code> is the correct notation used for command substitution.

This quiz will test everything you have learned in the chapter Running and Managing Programs.




Introduction

Creating an Ubuntu Virtual Machine with VirtualBox

Navigating the Filesystem

Working with Files and Directories

Streams Of Text

The Shell and Environment

Running and Managing Programs

Networking Tools

Automation

Additional Programs

Conclusion

Quiz 7