New answers tagged


If your system is degenerate (such as /bin/sh is init) the ancient behavior reappears. halt will see that it doesn't know the runlevel and can't command a runlevel change and actually issue a halt system call and bring the system down immediately. However, sync is synchronous now (and has been since at least 2000) and you don't need to run it multiple times. ...

Top 50 recent answers are included