1 ll
2 cd /
3 ll
4 ls
5 ls -lsh
6 cd etc/
7 ll
8 cat profile
9 ll
10 cat ld.so.conf
11 ll
12 cd
13 cat .cshrc
14 ll
15 ifconfig
16 ping 127.0.0.1
17 man
18 echo
19 echo 123
20 echo wet sdf
21 echo hahaha.cod
22 ll
23 cd
24 cd Desktop/
25 ll
26 pwd
27 vi test.txt
28 echo test.txt
29 echo $te
30 int i = 9
31 i=9
32 echo $i
33 echo $shell
34 echo $SEHLL
35 ll
36 date
37 echo test.txt
38 echo $test.txt
39 echo i
40 echo $i
41 b=8
42 echo $b
43 c = i + b
44 c=i+b
45 echo $c
46 c=$i+$b
47 echo $c
48 date "+Z%Y-%m-%d"
49 date "+%Y-%m-%d"
50 date "%y-%m-%d"
51 date +"%y-%m-%d"
52 date +"%Y-%m-%d"
53 ll
54 ls -ls
55 ls -lah
56 ping www.baidu.com
57 R
58 ll
59 s
60 ls -l
61 ll
62 ls -lah
63 ll
64 ls -lah
65 ll
66 cat /etc/profile
67 vi asd.sh
68 chmod 777 asd.sh
69 ll
70 ./asd.sh
71 ps -aux
72 ps -a -u -x
73 pidof sshd
74 systemctl status sshd
75 pidod sshd
76 kill
77 pidof sshd
78 kill 1659
79 pidof sshd
80 systemacl sshd
81 systemctl sshd
