ctrlaltdel man page on ElementaryOS

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CTRLALTDEL(8)		     System Administration		 CTRLALTDEL(8)

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

       ctrlaltdel hard|soft

       Based  on  examination of the linux/kernel/sys.c code, it is clear that
       there are two supported functions that the  Ctrl-Alt-Del	 sequence  can
       perform:	 a  hard reset, which immediately reboots the computer without
       calling sync(2) and without any other preparation; and  a  soft	reset,
       which  sends 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.

       ctrlaltdel is usually used in the /etc/rc.local file.


       simpleinit(8), init(8)

       Peter Orbaek (poe@daimi.aau.dk)

       The  ctrlaltdel command is part of the util-linux package and is availā€
       able from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux			 October 1993			 CTRLALTDEL(8)

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