Which of the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

A. shutdown -R 1 now

B. shutdown -single now

C. init 1

D. telinit 1

E. runlevel 1

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A. systemd.target=rescue.target

B. systemd.runlevel=rescue.target

C. systemd.service=rescue.target

D. systemd.default=rescue.target

E. systemd.unit=rescue.target

What is the purpose of the Bash built-in export command?

A. It allows disks to be mounted remotely.

B. It runs a command as a process in a subshell.

C. It makes the command history available to subshells.

D. It sets up environment variables for applications.

E. It shares NFS partitions for use by other systems on the network.

What is the default action of the split command on an input file?

A. It will break the file into new files of 1,024 byte pieces each.

B. It will break the file into new files of 1,000 line pieces each.

C. It will break the file into new files of 1,024 kilobyte pieces each.

D. It will break the file into new files that are no more than 5% of the size of the original file.

What is the difference between the i and a commands of the vi editor?

A. i (interactive) requires the user to explicitly switch between vi modes whereas a (automatic) switches modes automatically.

B. i (insert) inserts text before the current cursor position whereas a (append) inserts text after the cursor.

C. i (independent rows) starts every new line at the first character whereas a (aligned rows) keeps the indentation of the previous line.

D. i (interrupt) temporarily suspends editing of a file to the background whereas a (abort) terminates editing.

Which of the following commands displays the contents of a gzip compressed tar archive?

A. gzip archive.tgz | tar xvf

B. tar ztf archive.tgz

C. gzip -d archive.tgz | tar tvf

D. tar cf archive.tgz

What happens after issuing the command vi without any additional parameters?

A. vi starts and loads the last file used and moves the cursor to the position where vi was when it last exited.

B. vi starts and requires the user to explicitly either create a new or load an existing file.

C. vi exits with an error message as it cannot be invoked without a file name to operate on.

D. vi starts in command mode and opens a new empty file.

E. vi starts and opens a new file which is filled with the content of the vi buffer if the buffer contains text.

When given the following command line. echo "foo bar" | tee bar | cat

Which of the following output is created?

A. cat

B. foo bar

C. tee bar

D. bar

E. foo

Which command is used in a Linux environment to create a new directory? (Specify ONLY the command without any path or parameters.)

Which command is used to create and initialize the files used to store quota information? (Specify ONLY the command without any path or parameters.)