operating system

operating system

1. Concept

   • is software that works as an interface between a user and the computer hardware

2. Structure of SO

   • It is a hierarchical structure, with greater organization of the operating system software
     • Core, Entry / exit management, Memory management, File systems, Command interpreter

3. types of SO

   • PC Operating Systems, Mobile Operating Systems

4. Concept

   • is software that works as an interface between a user and the computer hardware

5. Structure

   • It is a hierarchical structure, with greater organization of the operating system software
     • Core, Entry / exit management, Memory management, File systems, Command interpreter

6. kind

   • Mobile Operating Systems, PC Operating Systems

7. Features

   • manage computer resources, coordinate hardware and organize files and directories on the storage devices of our computer

8. Characteristics

   • Convenience, Efficiency, Ability to evolve, In charge of managing the hardware, Relate devices, Algorithms

9. advantage

   • * Installation is simple * It is multitasking and multi-user * Provides the ability to assign different permissions to users * Allows you to periodically change passwords * The system is protected from illegal access * Works with remote station printers * Shows statistics of system errors * Allows different types of audits to be carried out

10. Example

    • Microsoft Windows, MS-DOS, UNIX, MacOS, Ubuntu, Android

11. disadvantages

    • * It has certain limitations for RAM * In the XP version it requires a minimum of 128 MB in RAM and a * Pentium processor of 233Mhz or higher * User cannot limit amount of hard drive space * Does not support NFS files * Does not offer intruder blocking * Does not support the execution of some applications for DOS