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Hi, this presentation is about the operation system of Linux and all the advantages it has. I hope it will be helpful for you.

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  1. 1. LINUX
  2. 2. PRECEDENTS <ul><li>Initially it was developed by Linus Travalds in the University of Helsinki in Finland. One was inspiring in Minix, a small UNIX developed by Andy Tanenbaum </li></ul>
  3. 3. CHARACTERISTICS <ul><li>Multitask </li></ul><ul><li>Multiuser </li></ul><ul><li>Free acces to develop or to modify Modules. </li></ul><ul><li>Virtual multiple offices that they make several meetings </li></ul><ul><li>Almost all the implementations are of virtual memory. </li></ul>
  4. 4. GENERAL STRUCTURE <ul><li>Can be divided into several distinct components. </li></ul><ul><li>Kernel: It’s the heart of the system, it possesses a great number of functions of system that they are invisible for user. </li></ul><ul><li>Shell: It acts as interpreter of commands. It’s a program that reads them given orders, it decodes them and reports to the kernel to realice the action specified. </li></ul>
  5. 5. ACCESS PERMISSIONS <ul><li>Linux system keeps a very strict access permissions, to control what can be done and who can do. </li></ul><ul><li>These permissions are identified with letters and are: </li></ul><ul><li>R Permission of reading in the file </li></ul><ul><li>W Permission of writing in the file </li></ul><ul><li>X Permission of execution of the file </li></ul><ul><li>S Permission to change the owner of file </li></ul>
  6. 6. INSTALLATION RECOMMENDATIONS <ul><li>Installation is not a simple process. should consider several key aspects: </li></ul><ul><li>Disk partitioning </li></ul><ul><li>Bootloader </li></ul><ul><li>Drivers monitor and video card </li></ul><ul><li>Not accept the functions defaults unless security is the right choice </li></ul>