Uptime - Show how long system has been running. Osascript - shutdown/restart via AppleScript. “Do all men kill the things they do not love?” ~ The Merchant of Venice Related macOS commands usr/libexec/upsshutdown - Run a command when the UPS shuts down. fastboot tells rc(8) not to run fsck when rebooting Source: Windows Central (Image credit: Source: Windows. Type the name (or IP address) of the remote computer. etc/nologin tells login not to let anyone log in Type the following command and click the OK button.shutdown /i. For example, to use Command-C (copy), press and hold the Command key, then the C key, then release both keys. A terminate signal is then sent to launchd to bring the system down to single-user state (dependingĪ scheduled shutdown can be canceled by killing the shutdown process (a SIGTERM should To use a keyboard shortcut, press and hold one or more modifier keys and then press the last key of the shortcut. If `-' is supplied as an option, the warning message is read fromĪt intervals, becoming more frequent as apocalypse approaches and starting at ten hours before shutdown, warning messages are displayed on the terminals of all users logged in.Īt shutdown time a message is written in the system log, containing the time of shutdown, who initiated the shutdown and the reason. To users currently logged into the system. The first form brings the system down in number minutesĪnd the second at the absolute time specified.Īny other arguments comprise the warning message that is broadcast The year, month, and day may be defaulted to the current system 1 If you could just do such a thing it would be an enormous security vulnerability. May be the word now (indicating an immediate shutdown) or specify aįuture time in one of two formats: +number, or yymmddhhmm, where Time Time is the time at which shutdown will bring the system down and macOS uses this mode automatically with supported u The system is halted up until the point of removing system power, but waitsīefore removing power for 5 minutes so that an external UPS (uninterruptible Reboot the machine immediately: sudo shutdown -r now Send the machine to sleep in 30 minutes: sudo shutdown -s +30 Shutdown the machine in 60 minutes. s The system is put to sleep at the specified time. I can add a command to switch to super user, sudo su, so that when the user specifies that they want to shutdown they can enter their password (you have to use. r The system is rebooted at the specified time. If you want to shutdown your Mac computer or Laptop (Macbook) using the Terminal command then you can make use of the shutdown or the halt command, note that this is special command and will require sudo rights in order to execute it. o If -h or -r is specified, shutdown will execute halt(8) or reboot(8) instead of n If the -o is specified, prevent the file system cache from being flushed by pass. The system multi-user with logins disabled (for all but super-user). The -k option does not actually halt the system, but leaves h The system is halted at the specified time. Hackers, and gurus, who would otherwise not bother with such niceties. Notify users when the system is shutting down, saving them from system administrators, Shutdown provides an automated shutdown procedure for super-users to nicely
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