Figuring Stuff Out

What’s an ISO?

Posted by Mike on March 18, 2007

If you’ve been looking at the distro’s that I mentioned, and have gotten to the download page, you might be asking yourself this very question. You see installing an operating system is not the same as installing an application, there’s a little more to it. This might seem daunting, and figuring out what to do with an ISO might not seem worth the bother, but persevere and you’ll find that it’s really not that tough.

An .iso is a file type that contains all the information to burn an installation CD. Once you’ve jumped through the hoops of getting it properly burned it will be the equivalent of a disk that would come in a box from a store, so that all you have to do is drop it in the tray and get going (almost). Sadly there are a couple steps that you need to take first, they aren’t tough but I’ll try to save you a little time and walk you through it.

First off you’re going to need to get the file. To do this go to the download page of the distro you want (I’ll use Ubuntu for now but the process is pretty similar for every distro) and select the version number that you want and that will work with your computer. There’s an importantChoosing the nearest Download site one point, Linux is not designed to be limited to just one type of cpu. So if you are running something other than a PC you aren’t out of luck. Long-time Mac users can get versions for power pc chips and newer Mac users just use thchoosing the specific archecturee same version as a PC person. If you are using PC bought in the last five years or a Mac with Intel inside you are going to want the generic 386 version. To get this you will want to click on the download link from the country that you want to download in (see screenshot to the left), and than download the desktop i-386 .iso link (see the other screenshot to the right). At this point you can decide to do a normal file download or use bittorrent. If you have a program for downloading torrents take that option, it will be faster for you, easier on the server of the host organization, and finally allow you to use bittorrent for a legitimate purpose (who knew?).

The above is one of those stages where you will need to take a little responsibility for yourself. If you try to install an improper version of the operating system on your computer things might get a little ugly (most likely nothing at all will happen, but you never know). I’m not going to go into details about that, but if you are a windows user you can head into you control panel and then to the system icon and it will tell you the basics about your computer.

Once you have the .iso on your computer the next step is to get it burned onto a disk. Sadly you can’t just slap it straight on to the disk and going, the iso has to be burned as a disk image. Some burning suites do this out of the box but if you don’t have the ability to “burn a disk image” you’ll need to get yourself app to do so.   If you are running windows, this is a free iso burner and instructions on how to use it, if you work in OS X it seems you can just use the included disk utility (perhaps Mac users can suggest some freeware/dedicated alternatives).  Once you have your ISO burned you’re technically ready to get up and going in installing your shiny new OS.

I’ll talk about partitioning and booting your computer from a disk in my next message.  For now I would suggest that you concentrate on backing up everything that you don’t want to lost should things go wrong (as they definitely can) and thinking about how you want to use your computer going forward (ie. do you want to give up on your current OS or do you want to use Linux alongside it).

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