Lab 08 - File System & Hard Disk(revision 151111-r01)

Back to Wiki Page


  1. Have you joined SCELE Operating Systems?
  2. Have you joined SCELE Arsip?
  3. Report through SCELE Technical Problem should you find any problems!
  4. Remember, Uncle G is your friend!


  1. Boot your PC through ltsp (don't press any key during boot)
  2. Login using your account
  3. Open terminal and ssh with your username on os1xx machine (Change xx with your assigned VM number).
    $ ssh
  4. Create KELAS/NPM/Lab08 directory. For example my KELAS is TESTING and my NPM is 1202000818, replace it with your class (REG, INT, MTX) and student ID.
    $ mkdir -p TESTING/1202000818/Lab08
    $ cd TESTING/1202000818/Lab08/
  5. Do the following to prepare the examination:
    $ wget
    $ chmod +x UPDATE.x
    $ ./UPDATE.x
    $ rm -f UPDATE.x


  1. Please create "WHAT-IS-THIS.txt" file with contents:

    Change [KELAS] with your class, [TANGGAL] with today's date with format DD-MM-YY, [NPM] with your NPM, and [KETERANGAN] with short explanation.
    ZCZC TESTING TGS LAB08 11-11-15
    ZCZC 1202000818 LOG OS Bentar lagi UAS, HORE!
  2. Listen to the Tutorial about File System & Introduction to Disk.
  3. Do the File System Simulation.
  4. Do the Hard Disk Simulation.


  1. Within your group, discuss and write a pdf contains solution for Page Replacement Algorithm & Demand Paging problems:
    1. Minimum 2 problems for the topic File System on Arsip Ujian(183.pdf page 40 (Disk), 94.pdf page 35-37 (FHS and Sistem Berkas)).
      Note: Do this OUTSIDE the VM machine. Do NOT wait until the lab session to do this task, do it as soon as possible so that you can focus on doing tutorial tasks instead on the lab session.
      Give the solution pdf named lab08.pdf.
  2. Copy the solution lab08.pdf to your VM. Put it in Lab08 directory. Hint: Use scp but put the origin and destination in reverse to copy it to your VM home directory. Then move the file to your Lab08 directory.
  3. Execute genbio script
    $ genbio
  4. Do md5sum Tutorial.
  5. Do Examination Tutorial.
  6. Put all your files and documents in KELAS-NPM-Lab08.tar.bz2 archive. Replace KELAS with your class (A160, B160, C160, D160, E160, EXT160, MTX160), NPM with your student ID.
    $ cd ..
    $ tar cvjf TESTING-1202000818-Lab08.tar.bz2 Lab08/
  7. Copy the tar.bz2 file to your ltsp. For example using filename before and change username to your username used to login into ltsp. Enter password when prompted.
    $ scp TESTING-1202000818-Lab08.tar.bz2
  8. Submit your document to Scele. Each person should submit:
    1. myself.txt
    2. WHAT-IS-THIS.txt
    3. lab08.pdf
    5. Disk.class
    6. filesys.dat
    7. MD5SUM
    8. MD5SUM.asc
    9. .periksa
  9. That's it, folks. Have fun for the rest of the week.

Back to Wiki Page