Name
halt
Synopsis
halt [options]
Prepares the system and then terminates all processes, usually ending
with a hardware power-off. During preparation, all filesystem caches
are flushed and running processes are sent SIGTERM
followed by SIGTERM.
Options
-
-l Do not log the halt via syslog (i.e., mach_kernel: syncing disks...).
-
-n Do not flush filesystem caches. Should not be used indiscriminately.
-
-q The filesystem caches are flushed but the system is otherwise halted ungracefully. Should not be used indiscriminately.
-
-y Halts the system from a dial-up operation.
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