Networking

Run levels in UNIX and Linux are the modes or levels of operation in which the operating system functions. There are 7 run levels from Run level 0 to Run level 6. Different UNIX / Linux operating systems define the operational mode of the run level differently. For instance, in Sun Solaris, Run Level 5 indicates the system is in halt (shutdown & power off) but in openSUSE Linux, it is the fully functional multi-user GUI mode.Read More →