Operating system and system software Operating Systems

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  System commands
  
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    Carry out services such as translate a program, load a program, run a program
    
  • 
    Types of system commands
    
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      Lines of text typed at a terminal
      
    • 
      Menu items displayed on a screen and selected with a mouse and a button: Point-and-click
      

Functions of an Operating System

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  important responsibilities of the operating system
  
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    User interface management
    
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    Program scheduling and activation
    
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      Schedule programs for execution
      
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    Control of access to system and files
    
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      Store and retrieve files
      
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    Efficient resource allocation
    
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    Deadlock detection and error detection
    
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    Oversee operation of computer
    
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      Coordinate the execution of programs
      

Operating System Components

• Kernel

  • Performs basic required functions

  • The user interface act as an intermediary between users and the operating system kernel

The Kernal

• File manager

  • 
    
    Directory: slupoli -> notes
    notes -> Bash script with various commands
    notes -> Basic Computer Terminology
    
    
    
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