Operating System Concepts – 10th Edition

These flashcards cover key concepts and terms related to operating system services, user interfaces, resource management, system calls, and boot procedures.

Operating System Services

Functions provided by operating systems that help in the execution of programs and services for users.

User Interface (UI)

The part of an operating system that allows users to interact with the computer, can be Command-Line (CLI) or Graphical User Interface (GUI).

GUI (Graphical User Interface)

A visual interface that allows users to interact with the system through graphical elements like icons, menus, and buttons.

Program Execution

The ability of the operating system to load and run programs, handling normal or abnormal terminations.

I/O Operations

Input and output operations that a running program may require, involving files or I/O devices.

File-System Manipulation

Services for reading, writing, creating, deleting files and directories, and managing permissions.

Communications in OS

Methods for processes to exchange information, which can occur on the same computer or over a network.

Error Detection

The ability of the operating system to identify and respond to errors that may occur in hardware or software.

Resource Allocation

The process of distributing resources like CPU time and memory among multiple users or processes.

Logging (Accounting)

Tracking the usage of computer resources by different users.

Protection and Security in OS

Controls activities regarding access to system resources, ensuring unauthorized users are prevented from accessing information.

Command-Line Interface (CLI)

A method for users to directly enter commands to the operating system for execution.

System Calls

The programmatic way in which a program requests a service from the operating system's kernel.

Process Control

System calls related to managing processes, including creating, terminating, and modifying process attributes.

File Management

System calls that provide functionalities for creating, deleting, and modifying files.

Device Management

System calls that manage the allocation of devices to programs and their access.

Information Maintenance

System calls that deal with system data such as time, date, and system attributes.

Protection System Calls

System calls that control access permissions and resource usage for users.

System Programs

Programs that provide various functionalities to support the operating system and applications.

System Boot

The procedure of starting a computer by loading the operating system kernel.