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Linux Security Quiz

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 Linux?

An operating system

A programmers name

A fancy word

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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