runlevel command is used to print the current runlevel of a Linux system. A runlevel is a mode of operation in which the system runs, and each runlevel has a specific set of services and processes that are started or stopped. The runlevel of a Linux system can be changed using the
init command or by using a
runlevel command is used to display the current runlevel of a Linux system. To use the
runlevel command, simply open a terminal and type the following command:
The output of the command will display the current runlevel of the system. For example, if the output is
N 5, it means that the current runlevel is 5.
runlevel command is particularly useful when troubleshooting system issues, as it can help identify which runlevel the system is currently in. For example, if a system is not starting up properly, knowing the current runlevel can help identify which services or processes are failing to start.
runlevel command does not have any options.
runlevel command does not display any output, it may be because the
init process is not running. In this case, try restarting the system and running the
runlevel command again.
If the output of the
runlevel command is not what you expected, it may be because the system is running in a different runlevel than you anticipated. Check the system documentation to determine which runlevels are available and what services and processes are started or stopped in each runlevel.
runlevel command is only available on systems that use the
init process. On systems that use
systemctl command can be used to display the current system state.