In addition to what was said by somebody else about atomic updates, even a simple update via package manager on a regular distro will do all the work up front, and not take extra time on next boot. Before you reboot, most things will continue working fine - and most of the remaining things that might not can be worked around.
In addition to what was said by somebody else about atomic updates, even a simple update via package manager on a regular distro will do all the work up front, and not take extra time on next boot. Before you reboot, most things will continue working fine - and most of the remaining things that might not can be worked around.