Linux Command
poweroff
Shut down the Linux system. The shutdown record will be written to the /var/log/wtmp log file.
Supplementary instructions
grename command can rename the name of the volume group.
grammar
poweroff [option]
Options
-n do not synchronize before closing
-p turns off power when called halt
-v increases output, including messages
-q Reduce the output of error-only messages
-w does not actually shut down the system, it just writes to the /var/log/wtmp file
-f forces shutdown without calling shutdown
example
Shut down the Linux system.
[root@localhost ~]# poweroff


