CTRLALTDEL(8)		     System Administration		 CTRLALTDEL(8)

NAME
       ctrlaltdel - set the function of the Ctrl-Alt-Del combination

SYNOPSIS
       ctrlaltdel hard|soft

DESCRIPTION
       Based on examination of the linux/kernel/reboot.c code, it is clear
       that there are two supported functions that the <Ctrl-Alt-Del> sequence
       can perform.

       hard
	   Immediately reboot the computer without calling sync(2) and without
	   any other preparation. This is the default.

       soft
	   Make the kernel send the SIGINT (interrupt) signal to the init
	   process (this is always the process with PID 1). If this option is
	   used, the init(8) program must support this feature. Since there
	   are now several init(8) programs in the Linux community, please
	   consult the documentation for the version that you are currently
	   using.

       When the command is run without any argument, it will display the
       current setting.

       The function of ctrlaltdel is usually set in the /etc/rc.local file.

OPTIONS
       -h, --help
	   Display help text and exit.

       -V, --version
	   Display version and exit.

FILES
       /etc/rc.local

AUTHORS
       Peter Orbaek <poe@daimi.aau.dk>

SEE ALSO
       init(8), systemd(1)

REPORTING BUGS
       For bug reports, use the issue tracker
       <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY
       The ctrlaltdel command is part of the util-linux package which can be
       downloaded from Linux Kernel Archive
       <https://www.kernel.org/pub/linux/utils/util-linux/>.

util-linux 2.41.2		  2025-09-22			 CTRLALTDEL(8)