in Linux, when using the  shutdown  command, it is often used to shut down the system: 
shutdown -h  //  (Linux)
shutdown -r  // 
then why is it rare to see:
shutdown -hr
am I ill-informed?
so let"s just say:
shutdown -r  // 
    
 in Linux, when using the  shutdown  command, it is often used to shut down the system: 
shutdown -h  //  (Linux)
shutdown -r  // 
then why is it rare to see:
shutdown -hr
am I ill-informed?
so let"s just say:
shutdown -r  // 
    
reboot restart poweroff shutdown
 does a restart include a shutdown? 
 I am both  init 0  and  init 6 , short? 
the two commands are confused and their functions are completely different.
shutdown-h shuts down the computer, while shutdown-r restarts the computer.
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