Linux Security Quiz

What is Linux?
An operating system
A programmers name
A fancy word
What are the 3 file permissions(r, w, x) and their number representations in linux?
read = 4, write = 2, execute = 1
execute = 4, read = 2, write = 1
read = 4, execute = 2, write = 1
What is the main difference between sudo and su?
sudo makes you a sandwich
sudo switches to the super user, su executes one command as root
sudo executes one command as root, where su switches to the root user
What does the chmod command do?
The command doesn't exist
It changes permissions on files or directories
It changes color settings
How can the chmod command make your system more secure?
By blocking ports
It changes the look of linux files
It allows you to more granularly control access
Why are permissions important?
You can control who has access and who doesn't
They are only important in certain versions of Linux
They're not
Where do you go for help at the Linux command line?
Give up
The Man Pages
Google
Both the Man Pages and Google
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