operating systems

operating systems

1. The set of computer programs that allows the effective management of resources computer is known as operating system or system software.

2. These programs start working as soon as turn on the computer as they manage the hardware from the most basic levels and also allow the interaction with the user.

3. Main functions of an operating system

   • The operating system fulfills five basic functions: the provision of interface to the user, administration of resources, file management, administration of tasks and the service of support and utilities.
   • Regarding the interface to the user, the system is in charge that the subject can load programs, access their files and perform other computer tasks. The resource management allows the direction of the hardware, including peripherals and network.
   • The system software also takes care of the management of files, by controlling the creation, deletion, and access to them, and the administration of tasks information technology carried out by end users.
   • We can also mention that the service of support is responsible for updating the versions, improve system security, add new utilities, control the new peripherals that are added to the computer and correct the errors of the software.
   • objectives
     • Today, there are many types of operating systems and Different types of operating systems have different goals. Generally, the operating system configured on the hardware of The computer has the following objectives:
       • Effectiveness
       • Convenience
       • Scalability
       • Frankness
   • Characteristics
     • It is designed to be user friendly and easy to use.
     • Provides security and protects computer programs and files.
     • It is the intermediary between user and hardware.
     • It is necessary for the functioning of all computers, tablets and mobile phones.

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