1.Environment:RedHat Linux Enterprise 6+Vmware Workstation 12 Pro
2.Linux shutdown and restart command summary
shutdown command : shutdown -h now (immediate poweroff)
halt (immediate poweroff)
poweroff (immediate poweroff)
reboot command : shutdown -r now (reboot immediate)
reboot (reboot immediate)
3.Different
a.shutdown -h now and shutdown -r now belong to root user or root privileges.
b.halt and reboot is belong to any other user.
c.halt is the same as poweroff .
