Linux Chapter 2

What is the purpose of the PATH environment variable in a Linux shell?

• It indicates the current user logged in.

• It contains directories that are searched for executable files.

• It stores the last executed commands.

• It provides options for customizing the shell prompt.

Which of the following describes the shell prompt?

• A command that executes programs in the background.

• A character or set of characters indicating the shell is ready for input.

• A method for copying files between directories.

How does the Tab complete feature enhance usability in the Linux shell?

• It automatically executes commands without user confirmation.

• It saves the current session for later use.

• It fills in commands, files, or directories after typing a few characters.

What is the function of command history in the Linux shell?

• It organizes files into directories for better management.

• It stores previously entered commands for quick access.

• It sets user permissions for accessing files.

• It displays system information and status updates.

Which of the following statements about the Linux shell is true?

• The shell prompt can only display error messages.

• The PATH variable is not important for running programs.

• Tab completion is a feature available in most modern Linux shells.

• Command history only stores commands from the current session.

What is the primary role of the Linux kernel in the operating system?

• It serves as a collection of desktop environments.

• It manages hardware resources and system processes.

• It provides user interface elements for applications.

• It compiles user applications from source code.

Which of the following best describes a Linux distribution?

• A combination of the Linux kernel, applications, and user interfaces packaged together.

• A command line tool for managing system processes.

• A type of software that is only available for commercial use.

What information does a man page provide for a Linux command?

• A detailed guide on how to install the operating system.

• Syntax, options, and related commands for the specific command.

• A list of all available applications on the system.

• A history of changes made to the command.

What does the command option -h or --help accomplish in Linux?

• It installs a new software package.

• It shuts down the system immediately.

• It displays information about command syntax and options.

• It opens a graphical user interface.