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telinit:tldr:49cf5
The command "telinit ${select}" is a system administration command used in Unix-like operating systems.
In this command, "telinit" is a utility program that facilitates changing the system's runlevel. Runlevel defines the state of the system, indicating which services are running and accessible during different phases of the boot process.
The "${select}" is a placeholder representing a variable, which means its value will be substituted when the command is executed. The value of the variable should be a specific runlevel to initiate a transition to that particular state.
By executing this command, the system will attempt to switch to the runlevel specified by the value of the ${select} variable. However, the actual behavior and available runlevels may vary depending on the specific operating system or distribution being used.