Identify the components that provide graphical login, window borders and placement, and panels and menus.
Which role mapping is correct?
A display manager provides graphical login, a window manager controls window placement and decoration, and a desktop environment integrates panels and applications.
Detailed explanation
Incorrect. The roles are assigned to the wrong components.
Incorrect. The roles are assigned to the wrong components.
Incorrect. These descriptions refer to unrelated system functions.
Incorrect. These descriptions refer to unrelated system functions.
Correct. This mapping matches the normal roles of the three components.
Correct. This mapping matches the normal roles of the three components.
Incorrect. They are separate components and processes, not always one process.
Incorrect. They are separate components and processes, not always one process.
Try it yourself
An example you can run in a temporary verification environment.
systemctl status display-manager.service --no-pager 2>/dev/null | head || trueExpected result
設定済みならdisplay manager serviceの状態。変更は行わないKey points
- Display manager
- Window manager
- Desktop environment
Notes
- Environment: systemd service状態の読み取り
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.