WebbThe /etc/inittabFile. When you boot the system or change run levels with the initor shutdowncommand, the initdaemon starts processes by reading information from … Webb15 apr. 2024 · The /etc/shutdown.allow mechanism can be used as a way of limiting the ability of logged in users to trigger a machine reboot by pressing the Ctrl+Alt+Del key …
Linux Shutdown Command Help and Examples - Computer Hope
Webbshutdown can be called from init (8) when the magic keys CTRL-ALT-DEL are pressed, by creating an appropriate entry in /etc/inittab. This means that everyone who has physical access to the console keyboard can shut the system down. To prevent this, shutdown can check to see if an authorized user is logged in on one of the virtual consoles. bored pants
用命令统计/etc/inittab文件的行数。 - 百度教育
Webb6 nov. 2024 · Description. The shutdown command brings the system down in a secure way. All logged-in users are notified that the system is going down, and login operations are blocked. It is possible to shut the system down immediately, or after a specified delay. All processes are first notified that the system is going down by the signal … WebbPurpose. Controls the initialization process. Description. The /etc/inittab file supplies the script to the init command's role as a general process dispatcher. The process that constitutes the majority of the init command's process dispatching activities is the /etc/getty line process, which initiates individual terminal lines. Other processes typically … WebbIf shutdown is called with the -a argument (add this to the invocation of shutdown in /etc/inittab), it checks to see if the file /etc/shutdown.allow is present. It then compares the login names in that file with the list of people that are logged in on a … havana nights redington beach