Final answer:
To quickly simulate a reboot, one can restart the explorer.exe process on Windows or the display manager on Linux, but this might not resolve all issues, and an actual reboot could still be required.
Step-by-step explanation:
To simulate a reboot of a computer system quickly, which is not always guaranteed to work and may require an actual reboot, one common method is to restart the explorer.exe process on Windows machines. This can be done through the Task Manager, where you can end the process and then run a new instance of explorer.
exe from the File > Run new task menu. On Linux systems, you can try restarting the graphical user interface (GUI) by restarting the display manager service (e.g., 'sudo systemctl restart gdm' for GNOME desktops). It is important to remember that these methods do not replace a full system reboot, which may still be necessary to apply certain updates or resolve deeper system issues.