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Linux OS Overview…from 50K Linda Fravel, TPM Linux Technology Center, IBM Linux Basics Written by Linus Torvalds at the age of 21 Linux first available on the web in 1991 It is open source (you can view the programming instructions) www.kernel.org is the Linux archive Maintained / developed by individual programmers around the world Two largest vendors are RedHat and Novell Linux Basics Proprietary versus Open Source Proprietary development is the most widely used model across the software industry someone basically says, "I created this, I paid for the people who developed it, so it's mine and I'll do with it what I choose." Value proposition: Sell Licenses open-source development means some or all of a product's source code is available, as well as the executable code, so everyone can access, alter and distribute it. Value proposition: Common OS platform that can work across different hardware types, can mean lower development costs and higher quality code Linux Basics Red Hat and Novell are the two largest Linux vendors. They add value by: Certified solutions Testing with major vendors Maintenance Errata's available quarterly Hot fixes / PTFs available Support Diagnostic help available Linux Basics Other Linux Vendors Debian Libranet Knoppix LutelLinux MkLinux Slackware Trustix TurboLinux Yellow Dog Linux at IBM "IBM was very interested in Linux because of its interoperability across its different platforms and devices" IBM owns many operating systems: MVS – Mainframe OS2 – Desk Top (EOL) VM – Mainframe VSE – Mainframe AIX – RISC IBM's goal is to build a portfolio so that customers have flexibility, scalability, and interoperability with our investment in open source development Linux at IBM The Linux Technology Center (LTC) is IBM’s open source development team. Our mission is: Help make Linux better Assist the IBM Hardware, Software, and Services brands win with Linux Expand the reach of Linux Remain trusted, valued members of the Linux community Linux at IBM LTC has about 900 people working in 38 locations. Primary US locations: Beaverton, OR. Rochester, MN. Endicott, NY. Poughkeepsie, NY Raleigh, NC Austin, TX Other World Wide locations: Beijing, China Boeblingen, Germany Mainz, Germany Melbourne, Australia Linux at IBM Critical Customer Situations Definition: When normal processes have failed and IBM customer satisfaction is at risk the sales team will utilize a process called Customer Satisfaction Management and specifically Critical Situation Management (Critsit) The goal is to have IBM customers walk away from a situation satisfied with the resolution and ensure that they stay an IBM customer TPM’s are held personally accountable for these situations and their resolution. IBM follows these situations closely with executives and if customers go away unhappy the TPM must explain “why” as part of the overall quality process. Linux Important Points You can use both proprietary and open source solutions in the IT environment, it just depends on what your business needs are Always purchase support! Most companies will tell you that they thought they had a lot of knowledge on Linux but knowledge did not translate to experience in the enterprise environment. Always consider the Total Cost of Ownership for any solution. A solution that looks simple may be very complex when fully assembled. Questions and general discussion