1
Q
man
A
Gives details about Linux commands
2
Q
ls
A
List directory contents
3
Q
grep
A
Find text in a file
4
Q
pwd
A
Print working directory
5
Q
mv
A
Move file
6
Q
cp
A
Copy file
7
Q
rm
A
Remove file
8
Q
chmod
A
Change file permissions
9
Q
chown
A
Change file owner and group
10
Q
sudo
A
Executes any command as administrator
11
Q
yum
A
Install, delete, or update
12
Q
df
A
disk free space
13
Q
ps
A
Displays running processes
14
Q
dig
A
Find DNS information
15
Q
cat
A
Reads data from a file and displays content as an output
16
Q
kill
A
Closes a process running
17
Q
vi
A
Visual mode editor
18
Q
ifconfig
A
View/configure network interface and IP
19
Q
apt - get
A
Advanced packaging tool, package retrieval
20
Q
su
A
Become super user
COMP TIA A+ CORE 2
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