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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
           Print 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 at
       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 2.38.1                 2022-05-11                     CTRLALTDEL(8)

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