Any marks not recognised by the Optical Mark Recognition (OMR) machine will get ZERO marks Correct mistakes with an eraser, correction pen or white tape; it is not enough to put a cross through the circle Errors in student number get ZERO marks Operating Systems and Systems Integration Quick Quiz 2 Do not refer to any printed material. No talking or discussion is allowed until the answer sheets are all collected. Review: 1. A directory entry contains: (A) filename and mapping of file contents (data sectors) (B) filename and inode number (C) only the inode number and a pointer to the file contents (D) A symbolic link to the actual filename and file contents (E) At least: filename, modification, access and change timestamps, permissions, size, owner 2. A system administrator executes the command $ ls -i * 54903110 file1 54903109 file3 54903109 file2 54903111 file4 (A) $ rm -rf /tmp/a (B) $ cd /tmp;rmdir -p a/b/c (C) $ rmdir /tmp/a/b/c /tmp/a/b /tmp/a (D) $ rm -f /tmp/a/b/c;rm -f /tmp/a/b;rm -f /tmp/a (E) All the other options Preparation: 4. The chmod command is used to: (A) Change the user ownership of a file (B) Change the group ownership of a file (C) Change the access rights of a file (D) Change the link status of a file (E) Convert files to directories and directories to files (A) file1, file2 are hard links to the same file, file4 is a symbolic link to file1 (B) file2, file3 are hard links to the same file, file4 is a symbolic link to file1 (C) file1, file2 are hard links to the same file, file4 is a dangling symbolic link (D) file1 is not a hard link to any of the other files (E) file2 is a copy of file3 3. To delete the last three directories in the pathname /tmp/a/b/c, you can do: 5. The mount command is: (A) used to make a filesystem available at a directory (B) related to the file /etc/fstab (C) able to make network file systems (nfs) available locally (D) able to make Microsoft Windows shares available locally (E) All the other options