Tutorial to install Ubuntu 9.10 to a pen drive and persistently make changes to the files.ubuntu_pendrive_install
Here is a trick which enables you to install ubuntu 9.10 on a pen drive.
Just follow the steps:
1.fire your pc with the ubuntu live cd .
2.When the system comes to its functional state from the system menu select administration and then USB startup disk creator.
3.Make sure your pc boot option is set to USB boot in the bios of your system.
4.Restart your pc and it will run ubuntu 9.10 from your thumb drive.
Note: 2GB USB drive is enough for the installation of ubuntu on the pen drive.For a regular install 8 GB drive is necessary as 4 GB leaves only a little space.The following steps illustrate a persistent install on USB drive.
1.Download the linux .iso file which is the ubuntu 9.10 .iso image
REST HERE