Which of the following tasks can the command passwd accomplish? (Choose two.)

• A.Create a new user group.
• B.Change a user's password.
• C.Create a new user account.
• D.Lock a user account.
• E.Change a user's username.

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What is the purpose of the PATH environment variable?

• A.It contains the absolute path to the current directory.
• B.It increases security by preventing commands from running in certain locations.
• C.It indicates the location of the default shell to be used when a user logs in.
• D.It specifies the location of a user's home directory.
• E.It allows the execution of commands without the need to know the location of the executable.

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Which of the following directories must be mounted with read and write access if it resides on its own dedicated file system?

• A./var
• B./lib
• C./opt
• D./usr
• E./etc

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Which ofthe following commands creates an archive filework.tarfrom the contents of the directory./ work/?

• A.tar work.tar < ./work/
• B.tar -create work.tgz -content ./work/
• C.tar --new work.tar ./work/
• D.tar work > work.tar
• E.tar -cf work.tar ./work/

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A user is currently in thedirectory/home/user/Downloads/and runs the command ls ../Documents/ Assuming it exists, which directory's content is displayed?

• A./home/user/Downloads/Documents/
• B./home/user/Documents/
• C./home/Documents
• D./home/user/Documents/Downloads/
• E./Documents/

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