Common FAQs:
Ubuntu:
To do any of the task below, you must have a bootable CD of the latest ubuntu distribution. Download the ISO image file from http://www.ubuntu.com/GetUbuntu/download and burn it on a blank CDR. You may use the freeware ImgBurn (or any other software like Nero) on Windows to burn the ISO file to CD. This CD can also be used as a LiveCD (boot linux without installing to your PC's harddisk) as well as an installer.
Booting directly from CD/Recovering Data:
Click here to know how to boot from a LiveCD. If your Windows PC has crashed and doesnt boot anymore, you can boot ubuntu directly off the CD and copy all the essential files from the PC's harddisk to an external harddisk. To do this you need to know the commands for mounting USB harddisks. You might also want to know how to mount Windows partitions in ubuntu. Mounting a harddisk in ubuntu makes it accessable in ubuntu.
Installing ubuntu from CD:
Click here to know how to install ubuntu as a sole operating system or in addition to Windows (dual boot). In case of installing ubuntu in addition to Windows, you will need to choose the OS to boot to - linux or windows - every time you turn on your PC. After installation of ubuntu, you can always change the default OS to be booted into - windows or linux - just make sure the "default" parameter is set to the entry number which corresponds to Windows (incase of the link pointed to in this sentence, "default 1" will cause booting to ubuntu and "default 0" will cause booting to Windows XP).
Update or installing ubuntu:
ubuntu comes with all the drivers and many applications thereby saving you the trouble of installing any of them. After installing ubuntu you may use the Synaptic Package Manager to install new applications which didnt come on the CD (like OpenOffice Draw, eagle, usbprog etc etc) or to update existing applications/linux kernel.
My ubuntu install procedure:
(0) backup files
(1) install ubuntu 9.10 from usb drive, erasing hard disk
(2) install blueman, virtualbox, gstreamer codecs, eagle, mplayer, vlcplayer, dropbox, xmarks
(3) sync mydropbox
(4) share music folder and goodsync it from desktop
Freeware for common Tasks: