{Rảnh Story} wtf rm -rf /* is removed ?

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=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2017.07.22 08:12:30 =~=~=~=~=~=~=~=~=~=~=~=
Using username "hungnv".
Authenticating with public key "rsa-key-20170627"

[root@localhost /]# rm -rf /*
removed ‘/bin’
removed ‘/boot/'
removed ‘/dev/'
removed ‘/etc/'
removed ‘/home'
removed ‘/lib’
removed ‘/lib64’
removed directory: ‘/lost+found’
removed directory: ‘/media’
removed directory: ‘/mnt’
removed directory: ‘/opt’
removed ‘/usr'
rm: cannot remove ‘/proc/
removed ‘/root
removed ‘/run/
removed ‘/sbin’
removed directory: ‘/srv’
rm: cannot remove ‘/sys/
removed directory: ‘/tmp/
removed ‘/var/