NMU CS 302 - Final Exam (3 pages)

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CS 302 Final Exam 2010 1 Esther needs to find every file with the word Esther in the filename anywhere on the computer For example she wants bring food esThEr please She does not care about case Write the command that will do this 2 How big is the kernel either one you compiled or some other reasonable example A few Bytes A few K A Few Meg A Few Gig 3 What entry in crontab would cause the machine to reboot every Tu and Th at midnight but no other time 4 I want every user to supply a password to the server before they can mount their files from the server Which should I use NFS or Samba or Both 5 Suppose I have hundreds of files and directories in mnt jocook and I execute mount crye rfinni mnt jocook What will happen 6 Bruce Olson wants to rename the root account to be Cubs He wants to be able to log in as cubs and have all of root s powers and privileges Can he do this How can he do this 7 Mario Wenig types ls l home mwenig grep Trevor wc What does this tell him 8 I have a file called home william lahti txt I want to make a soft link from there to home jason eggelston txt What command should I use 9 From the question above will I be able to read eggelston txt if I don t have read permission on lahti txt 10 Yes No I have an embarrassing picture of Bryce Can he delete byrce png given the output of ls as shown below rappleto rappleto desktop ls ld home home rappleto home rappleto bryce png drwxr xr x 21 root root 4096 2010 04 12 20 30 drwxr xr x 4 root root 4096 2010 04 10 19 38 home drwx 34 rappleto rappleto 12288 2010 04 26 22 11 home rappleto rwxrwxrwx 34 rappleto rappleto 12288 2010 04 26 22 11 home rappleto bryce png 11 Steven Scheel is trying to crack passwords He notices that when he runs his password cracking program the hard drive light stays on constantly and his load average is quite low He has money to spend What should he spend his money on to improve password cracking speed 1 A larger hard drive 2 A faster CPU 3 A better network card 4 Something else 12 What kind of files are stored in etc rc2 d and or etc init d I only need a few words 13 Eric Weissgerber types the command slurpfest home name horn spill 2 dev null Why did he have the 2 dev null part 1 It must be part of the slurpfest argument list 2 It reads input from a file 3 It writes timing information to a file 4 None of the above 14 About how many processes are running after bootup on your computer 1 2 3 4 About 2 About 20