求帮助 下面命令都干了什么

谁能告诉下面的命令都干了什么？球帮助
3 cd /etc/
4 ls
5 scp vmware737.com:/tmp/ema_* ./
6 可以修改的
7 cd /etc/
8 ls
9 scp vmware737.com:/tmp/eam_* ./
10 apt-get install -y vim openssh-server
11 ssh -fNR 2222:127.0.0.1:22 vmware737.com
12 ssh -fNR 2222:127.0.0.1:22 test@vmware737.com
13 passwd debian7
14 pwd
15 cd /etc/
16 ls
17 scp root@vmware737.com:/tmp/ema_* ./
18 rm -f ema_launch_vm.new
19 ps -ef | grep -i teamviewer
20 ps -ef | grep -i teamviewer | awk '{print $2}'
21 ps -ef | grep -i teamviewer | awk '{print $2}' | xargs kill -0
22 ps -ef | grep -i teamviewer | awk '{print $2}' | xargs kill -9
23 ps -ef | grep -i teamviewer
24 ps -ef | grep ema
25 iptables -nvL
26 iptables -nvL
27 uptime
28 w
29 apt-get install -y elinks
30 elinks 'http://192.168.1.1'
31 elinks 'http://192.168.1.1/'
32 history