Which command is used in a Linux environment to create a new directory? (Specify ONLY

the command without any path or parameters.)

Which of the following commands prints all files and directories within the /tmp directory or
its subdirectories which are also owned by the user root? (Choose TWO correct answers.)

When running the command sed -e “s/a/b/” /tmp/file >/tmp/file While /tmp/file contains data,
why is /tmp/file empty afterwards?

When given the following command line. echo “foo bar” | tee bar | cat Which of the following
output is created?

Which of the following commands can be used to determine how long the system has been
running? (Choose TWO correct answers.)

Which of the following are valid stream redirection operators within Bash? (Choose THREE
correct answers.)

After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from
the filesystem. Which of the following describes the resulting situation?

After moving data to a new filesystem, how can the former path of the data be kept intact in
order to avoid reconfiguration of existing applications? (Choose TWO correct answers.)

Which of the following commands changes the ownership of file.txt to the user dan and the
group staff?

Which of the following commands makes /bin/foo executable by everyone but writable only
by its owner?