The system configuration file named _______ is commonly used to set the default runlevel. (Please provide the file name with full path information)

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Which of the following statements describes a difference between GNU GRUB Legacy and GRUB 2?

• A.grub-mkconfigonly works with GRUB Legacy if the--version 1option is used.
• B.GRUB 2 no longer requires a configuration file.
• C.The configuration filemenu.lst(andgrub.conf) have been replaced withgrub.config.
• D.Partition numbers start at 0 in GRUB Legacy and1in GRUB 2.

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What command will display all of the background tasks running in the current shell?

• A.kill -l
• B.list
• C.history
• D.jobs

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What command will generate a list of user names from /etc/passwd along with their login shell?

• A.column -s : 1,7 /etc/passwd
• B.chop -c 1,7 /etc/passwd
• C.colrm 1,7 /etc/passwd
• D.cut -d: -f1,7 /etc/passwd

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You are logged in as user tux1, but now you want to switch users to tux2 with tux2's environment.
How would you do this?

• A.su -e tux2
• B.su - tux2
• C.su -m tux2
• D.su -f tux2
• E.su tux2

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