Tools of the Trade: Quiz 4

The ????? command creates a new directory. Like all of the commands presented in this reading, you can either provide the new directory as the absolute file path, which starts from the root, or as a relative file path, which starts from your current directory.

If you want to create a new directory called network in your /home/analyst/logs directory, you can enter ______ ___________________________ to create this new directory. If you’re already in the /home/analyst/logs directory, you can also create this new directory by entering ________ _______________.

The ????? command removes, or deletes, a directory. For example, entering ????? /home/analyst/logs/network would remove this empty directory from the file system.

Note: The ????? command cannot delete directories with files or subdirectories inside. For example, entering ????? /home/analyst returns an error message.

The ????? command creates a new file. This file won’t have any content inside. If your current directory is /home/analyst/reports, entering ????? permissions.txt creates a new file in the reports subdirectory called permissions.txt.

The ?? command removes, or deletes, a file. This command should be used carefully because it’s not easy to recover files deleted with ??. To remove the permissions file you just created, enter ?? permissions.txt. 

You can also use mv and cp when working with files. The ?? command moves a file or directory to a new location, and the ?? command copies a file or directory into a new location. The first argument after mv or cp is the file or directory you want to move or copy, and the second argument is the loc_________ you want to move or copy it to.

To move permissions.txt into the logs subdirectory path /home/analyst/logs., enter ?? _______________________ _____________________. Moving a file removes the file from its original location. However, copying a file doesn’t remove it from its original location.

To copy permissions.txt into the logs subdirectory path /home/analyst/logs while also keeping it in its original location, enter ?? __________________ _____________________________.

nano is a command-line file editor that is available by default in many Linux distributions. Many beginners find it easy to use, and it’s widely used in the security profession. You can perform multiple basic tasks in nano, such as creating new files and modifying file contents.

To open an existing file in nano from the directory that contains it, enter nano followed by the file name. For example, entering ???? ____________________ from the /home/analyst/reports directory opens a new nano editing window with the permissions.txt file open for editing.

You can also create a new file in nano by entering nano followed by a new file name. For example, entering nano authorized_users.txt from the /home/analyst/reports directory creates the authorized_users.txt file within that directory and opens it in a new nano editing window.

Since there isn't an auto-saving feature in nano, it’s important to save your work before exiting. To save a file in nano, use the keyboard shortcut Ctrl + ?. You’ll be prompted to confirm the file name before saving. To exit out of nano, use the keyboard shortcut Ctrl + ?.