Section: System Administration (8)
Updated: October 2015
ctrlaltdel - set the function of the Ctrl-Alt-Del combination
Based on examination of the
code, it is clear that there are two supported functions that the
Ctrl-Alt-Del sequence can perform.
Immediately reboot the computer without calling
and without any other preparation. This is the default.
Make the kernel send the SIGINT (interrupt) signal to the
process (this is always the process with PID 1). If this option is used,
program must support this feature. Since there are now several
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
The function of
is usually set in the
- -V, --version
Display version information and exit.
- -h, --help
Display help text and exit.
The ctrlaltdel command is part of the util-linux package and is available from
Linux Kernel Archive