Comptia Linux + 2023 Questions and answer - Part 13

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

A) A. chown dan/staff file.txt
B) B. chown dan:staff file.txt
C) C. chown -u dan -g staff file.txt
D) D. chown dan -g staff file.txt



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

A) A. chmod u=rwx,go=rx /bin/foo
B) B. chmod o+rwx,a+rx /bin/foo
C) C. chmod 577 /bin/foo
D) D. chmod 775 /bin/foo



3. Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?

A) A. apropos
B) B. which
C) C. find
D) D. query
E) E. whereis


4. What does the command mount -a do?

A) A. It ensures that all file systems listed with the option noauto in /etc/fstab are mounted.
B) B. It shows all mounted file systems that have been automatically mounted.
C) C. It opens an editor with root privileges and loads /etc/fstab for editing.
D) D. It ensures that all file systems listed with the option auto in /etc/fstab are mounted.
E) E. It ensures that all file systems listed in /etc/fstab are mounted regardless of their options.


5. Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?

A) A. 0017
B) B. 0640
C) C. 0038
D) D. 0027