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# Linux ntsysv Command [ Linux Command Manual](#) The Linux ntsysv command is used to configure various system services. This is a program developed by Red Hat following GPL rules. It has an interactive operation interface, allowing you to easily use arrow keys and the spacebar to enable or disable the system services to be executed at each runlevel of the operating system. ### Syntax ntsysv **Parameters**: * --back Displays a Back button instead of a Cancel button in the interactive interface. * --level Determines which system services to enable or disable at the specified runlevel. [ Linux Command Manual](#)