Introducing the Linux file system tree

The Linux file system is like a tree turned upside down, as shown in the following figure. The top of the upside-down tree is represented by a /(slash) and is called the root. A series of limbs, branches, and leaves are below the root. The limbs are called mount points, the smaller branches are your directories and the leaves are your files.  Each mount points is a disk partition, and the disk partition is mounted on the directory of the limb above it. When the disk partition  is mounted on the directory branch, it turns that branch into another limb, allowing for even more branches to be positioned and attached below the mount point.

Normally, you need at least a root partition in your directory structure( the upside-down tree) and a swap space ( particularly if you have a system with under 16mb of RAM). Therefore, at a minimum, you should set up two types of disk space: a Linux file system starting at the root and a swap space. Theoretically; you don’t have to set up swap space, and some people choose not to. If you do, however you can run more programs than you have real memory you have on your system.

As mentioned, at a minimum, setting up a separation partition for your user files( usually called the home directory) is better and setting up multiple disks partitions  for your Linux files is even better still. This setup makes backing up your files and updating your system to new versions of Linux much easier. The downside is that you have to leave empty space in each partition for new files, and these empty spaces add up. A reasonable analogy is using a filling cabinet to store your personal files versus a single box.

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Microsoft Windows Vista Operating System is a Good Thing for Linux Market Share Development

Windows Vista has probably created the single biggest opportunity for the Linux desktop to take market share, Cole Crawford, an IT strategist at Dell, said in an address titled, “The Linux Desktop—Fact, FUD or Fantasy?” at the annual Linux World Conference & Expo here.
For example, a number of companies have moved back to Windows XP after deploying Vista, Crawford said, before quoting Scott Granneman, an author, entrepreneur and adjunct professor at Washington University in St. Louis, as saying, “To mess up a Linux box, you need to work at it; to mess up your Windows box, you just have to work on it.”
Microsoft has also owned the desktop for more than 15 years, Crawford said, “and so the only way for them to go is down. But Linux can only go up, and its growth potential is enormous. While Linux only has 1 percent of share on the desktop versus Microsoft’s more than 90 percent, that is changing, and the Linux desktop is expected to gain some share over the next two years,” he said.

The number of developers targeting Windows decreased by 12 percent in the last year, while their targeting of Linux has increased by 34 percent over the same period, recently released information from Evans Data shows, Crawford said.

The interoperability agreements that Microsoft has signed with Linux vendors, from Novell to Xandros and Linspire, have also had largely positive results so far, he said, adding that another plus was the fact that Linux development has shifted to a model in which a significant portion of the kernel is being developed by corporate entities.

On the downside, Crawford said, was the fact that no one actually owns

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