A.find /home/ray -name file*
B.find / -user ray -name file*
C.find /home/ray -user ray -name file*
D.find /home/ray -user ray
A.show interface posx/x
B.show log | begin x
C.show version
D.show gsr
A.scp~/.ssh/id_rsa.pubhadoop@slave2:~/
B.scp~/.ssh/id_rsa.pubroot@slave1:~/
C.scp~/.ssh/id_rsa.pubhadoop@slave1:~/
D.scp~/.ssh/id_rsa.pubslave1@root:~/