Unix demonstration directory archive demo.tgz which is needed for the Unix tutorials. Note: Microsoft Internet Explorer has an unfixed bug which renames this file demo.tar . It is really a .tgz (gzip compressed tar) file, so you might need to rename it after transferring it via Windows onto Linux.

Copy of demo.tgz file within a 1.44M raw floppy image file. You may need to use this to get demo.tgz into a Linux virtual machine which has no other data import/export method, especially if the host PC has no physical floppy device.

Copy of wrapper.c and setuid shell script source files, also crack.c hash cracking program source within a 1.44M raw floppy image file. You may need to use this to get these programs into a Linux virtual machine which has no other data import/export method, especially if the host PC has no physical floppy device.

Copy of the Python source code for the block ciphers introduction lecture Students are encouraged to download and experiment with this. You will need Python version 2 on your system. Rename the file after download to ciph.py.

Other files will be added here as needed.