Ubuntu for Business

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Linux has matured over the years, and features considered essential for use in enterpriselevel environments, such as CPU architecture support, file systems, and memory handling, have been added and improved. The addition of virtual memory (the capability to swap portions of RAM to disk) was one of the first necessary ingredients, along with a copyright-free implementation of the TCP/IP stack (mainly due to BSD UNIX being tied up in legal entanglements at the time). Other features quickly followed, such as support for a variety of network protocols.

Ubuntu includes a Linux kernel that can use multiple processors, which allows you to use Ubuntu in more advanced computing environments with greater demands on CPU power. This kernel will support at least 16 CPUs; in reality, however, small business servers typically use only dual-CPU workstations or servers. However, Ubuntu can run Linux on more powerful hardware.

Ubuntu will automatically support your multiple-CPU Intel-based motherboard, and you will be able to take advantage of the benefits of symmetric multiprocessors (SMPs) for software development and other operations. The Linux kernels included with Ubuntu can use system RAM sizes up to 64GB, allow individual file sizes in excess of 2GB, and host the demands of—theoretically—billions of users.

Businesses that depend on high-availability, large-scale systems can also be served by Ubuntu, along with the specialist commercial support on offer from hundreds of support partners across the world.

However, Ubuntu can be used in many of these environments by customers with widely disparate computing needs. Some of the applications for Ubuntu include desktop support; small file, print, or mail servers; intranet web servers; and security firewalls deployed at
strategic points inside and outside company LANs. Commercial customers will also benefit from Debian’s alliances with several top-tier system builders, including Hewlett Packard.

Debian itself is also available for multiple architectures, and until recently was developed in tandem on 11 different architectures, from x86 to the older Motorola 680x0 chips (as found in the Commodore Amiga), along with several other architectures.

Small business owners can earn great rewards by stepping off the software licensing and upgrade treadmill and adopting a Linux-based solution. Using Ubuntu not only avoids the need for licensing accounting and the threat of software audits, but also provides viable alternatives to many types of commercial productivity software.

Using Ubuntu in a small business setting makes a lot of sense for other reasons, too, such as not having to invest in cutting-edge hardware to set up a productive shop. Ubuntu easily supports older, or legacy, hardware, and savings are compounded over time by avoiding unnecessary hardware upgrades. Additional savings will be realized because software and upgrades are free. New versions of applications can be downloaded and installed at little or no cost, and office suite software is free.

Ubuntu is easy to install on a network and plays well with others, meaning it works well in a mixed-computing situation with other operating systems such as Windows, Mac OS X, and, of course, UNIX. A simple Ubuntu server can be put to work as an initial partial solution or made to mimic file, mail, or print servers of other operating systems. Clerical staff should quickly adapt to using familiar Internet and productivity tools, while your business gets the additional benefits of stability, security, and a virus-free computing platform.

By carefully allocating monies spent on server hardware, a productive and efficient multiuser system can be built for much less than the cost of comparable commercial software. Combine these benefits with support for laptops, PDAs, and remote access, and you will find that Ubuntu supports the creation and use of an inexpensive yet efficient work environment.

Source of Information : Sams Ubuntu Unleashed 2008 Edition

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