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Number of Terms : 8142 Number of Definitions : 9135
shutdown1. bring the system down From whatis 2. brings the system down in a secure way. All logged in users are notified that the system is going down, and login(1) is blocked. It is possible to shut the system down immideately, or after a delay. All processes are first notified that the system is going down by the signal SIGTERM. This gives programs like vi(1) the time to save the file being editted, mail and news processing programs a chance to exit cleanly, etc. Shutdown does its job by signalling the init process, asking it to change the runlevel. Runlevel 0 is used to halt the system, runlevel 6 is used to reboot the system and runlevel 1 is used to put to system into a state where administrative tasks can be performed. From Linux Guide @FirstLinux 3. shut down part of a full-duplex connection From whatis |
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