Using the following MS-DOS commands, a program called "reboot.com" can be created which allows a user to simulate the Ctrl-Alt-Del restart of DOS by merely running the program (ideally from the DOS prompt. (useful for BATch files or for those typists that still use DOS and can enter reboot faster than give the three finger salute)

-------start of commands----------
debug
n reboot.com
a 100
mov ax,0040
push ax
pop es
es:
mov word ptr [0072], 1234
jmp ffff:0000
rcx
11
w
q

-------end of commands----------