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Total Questions : 155 | Page 3 of 16 pages
Question 21. A user does a chmod operation on a file. Which of the following is true?
  1.    The last accessed time of the file is updated
  2.    The last modification time of the file is updated
  3.    The last change time of the file is updated
  4.    None of the above
 Discuss Question
Answer: Option C. -> The last change time of the file is updated


The last change time of the file is updated


Question 22. The permission -rwxr-xr-t represented in octal expression will be
  1.    0777
  2.    1755
  3.    1754
  4.    2754
 Discuss Question
Answer: Option B. -> 1755


1755


Question 23. What is the command to set the execute permissions to all the files and subdirectories within the directory /home/user1/direct
  1.    chmod "“r +x /home/user1/direct
  2.    chmod "“R +x /home/user1/direct
  3.    chmod "“f "“r +x /home/user1/direct
  4.    chmod "“F +x /home/user1/direct
 Discuss Question
Answer: Option B. -> chmod "“R +x /home/user1/direct


chmod “R +x /home/user1/direct


Question 24. If the umask value is 0002. what will be the permissions of new directory
  1.    777
  2.    775
  3.    774
  4.    664
 Discuss Question
Answer: Option B. -> 775


775


Question 25. With a umask value of 112, what is the default permission assigned to newly created regular file?
  1.    "”x"“x-wx
  2.    -rw-rw-r"“
  3.    -r-xr-x-r"“
  4.    -rw-rw-r"“
 Discuss Question
Answer: Option B. -> -rw-rw-r"“


-rw-rw-r“


Question 26. At the end of kernel bootstrap, which process is started?
  1.    /etc/init
  2.    /etc/sched
  3.    /etc/swap
  4.    /etc/kernel
 Discuss Question
Answer: Option A. -> /etc/init


/etc/init


Question 27. Which daemon manages the physical memory by moving process from physical memory to swap space when more physical memory is needed.
  1.    Sched daemon
  2.    Swap daemon
  3.    Init daemon
  4.    Process daemon
 Discuss Question
Answer: Option B. -> Swap daemon


Swap daemon


Question 28. The process id of init process is:
  1.    -1
  2.    0
  3.    1
  4.    2
 Discuss Question
Answer: Option C. -> 1


1


Question 29. Which one of the following statement is not true?
  1.    vim editor is the improved version of vi editor
  2.    vi editor commands are not case sensitive
  3.    vi editor has two modes of operation: command mode and insert mode
  4.    vi stands for visual editor
 Discuss Question
Answer: Option B. -> vi editor commands are not case sensitive


vi editor commands are not case sensitive


Question 30. Which file is read by init to get the default runlevel
  1.    /etc/profile
  2.    /etc/init
  3.    /etc/boot
  4.    /etc/inittab
 Discuss Question
Answer: Option D. -> /etc/inittab


/etc/inittab


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