You are using quota on your system. How can you see disk quota details?

What does the command mount -a do?

Select the line that best represents what permissions the /etc/passwd file should have

Which of the following commands is run last during boot on a system with quotas enabled?

Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.1og?

When reading man pages, a lot of extra characters are shown on screen. Which of the following commands can help to deal with this problem?

Which of the following sed commands will replace all instances of the string foo with the string foobar changing the file file1.txt in place?

Which shell built-in command can be used to create a shortcut or pseudonym for a longer command?
Assume a modern bourne-like shell, such as bash.

In order to append the output of ls to a file called bazz, which of the following command lines would you use?

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What command can put suspended jobs into the background?