ADIOS Linux version has support for UML (User Mode Linux) virtual machines which can run LIDS (Linux Intrusion Detection System) or SELinux (NSA Security Enhanced Linux).

The ADIOS live CD uses a compressed loopback filesystem and can also start with LIDS enabled. It is a custom installation of Fedora 3.0 running kernel 2.6.10 and supports X11 windows desktop environments of KDE and IceWM.

Here are some key features of "ADIOS Linux Boot CD":

Boot options from version 2.00 onwards allow you to select the following:

· linux - default
· lids - start with lids enabled, more information can be found at http://dc.qut.edu.au/adios/lids
· 11 - go directly into option 11 described below
· 4 - go directly into option 4 described below
· s4 - go directly into secure LIDS with option 4
· lock - go directly into option lock described below

Run Menu options:

· Option 1 allows you to run Linux entirely from RAM disk and CDROM. It uses a 16MB ramdisk and mounts the CDROM. It then mounts a compressed image /adios; the majority of the filesystem resides within the compressed image. For example /usr is a link to /adios/usr, while /etc is a directory in memory. To support UML COW files /var uses 50% of available memory. This is the only option that will work if you only have an NTFS filesystem.
· Option 2 allows you to save configuration files, create users and build executable files (in /usr/local/bin), but you can't install RPMs into /usr. It copies /var to a file inside the windows FAT or EXT3 partition the first time and mounts it each subsequent time you boot the CDROM (It also allows user to allocate 128MB to 2GB of FAT disk space for the /var).
· Option 3 allows you to install CDROM image onto the FAT or EXT3 filesystem. It copies the CDROM to a loop filesystem the first time and then runs from the loop file image on each subsequent boot (allocates 2GB file for adios.img, 256MB for var.img, 128MB for www.img, 128MB for openoffice.img and 256MB for uml.img). Only requires CDROM to boot image on FAT filesystem.
· Option 4 is similar to option 2 but stores all of /var to FAT loop filesystem image var.img on USB flash memory storage device.
· Option 5 is designed to run ntfsresize and install the ADIOS files into a new EXT3 filesystem. Only works for systems that have a single NTFS partition. If you have more than one partition, then refer to the NTFS resizing notes.
· Option 7 runs the CD iso image from disk and then runs /var from RAM
· Option 9 allows you to allocate swap space on a FAT or EXT3 filesystem (default size of 128MB for swap.img).
· Option 10 is the same as option 2, 7 and 9, and create FAT filesystem if necessary
· Option 11 is the same as option 1 but only saves changes to /var to floppy diskette file var.tgz, also restores changes on next startup.
· Option 17 is the same as option 7 but only saves changes to /var to floppy diskette file var.tgz, also restores changes on next startup.
· Option r allows you to change the run-level (run-level 3 starts a command prompt, whereas run-level 5 starts X windows).
· Option v allows you to specify the size of the /var filesystem to be used
· Option x removes X11 and hardware configuration files (for users who want to use options 11 and 22 on multiple machines)
· Option m displays more menu options
· Option lock forces run-level 7 which runs file rc.lock from USB storage device

· Note: If you don't have a USB storage device, or FAT or EXT filesystem space, then you can use the option 11 to save and restore your configuration files to floppy diskette. ADIOS creates a single var.tgz file on the FAT formatted floppy diskette. You can view this archive with winzip or other MS windows tools.
· Warning: Do not allocate swap space over a Solaris partition.
· Warning: Remember to change the administrator and user passwords, which are initially set to "12qwaszx". The administrator account has been disabled in X windows in file /etc/X11/xdm/kdmrc. Login via virtual console using Ctrl Alt F2 or use "su -" command.

Development and Laboratory Features:

· The software can connect to the laboratory web server and allow users to download operating system images onto the local hard drive.
· In the laboratory a menu allows users to repartition the disc drives, perform network tasks and download operating system images.
· The ADIOS Development Kit will help you build your own Linux bootable CDs - available also on CD via a Makefile.
· The boot CD in addition to the advanced and guru commands has some hidden commands for those who want more, you can even shell out into a busybox Linux environment to run Linux commands.
· Visit the ADIOS home page to read latest documentation on the boot CD click here at http://dc.qut.edu.au/adios.