COMPTIA ITF+ 3.1 Explain the purpose of operating systems
Four Basic Functions of an Operating System (OS)
1. Coordinate hardware components 2. Provides an environment for software to function 3. Monitors System Health 4. Displays data structure and directory of data management
Five Types of Operating Systems
1. Mobile 2. Workstation 3. Server 4. Embedded (Firmware) 5. Virtual (Hypervisor)
Memory Management
Determines how memory is allocated among competing processes. Ample memory keeps OS & apps running quickly.
Disk Management
Managing disk space on drives. Windows OS (Drive Letters using NTFS File Management System); macOS (Drive Mounts using HFS+APFS File Management System); GNU Linux (Drive Mountsusing EXT/XFS File Management System)
Device Management
Monitor Status of all devices, including storage drives, printers, and other peripherals. Devices are all hardware installed on a computer.
Process Management/Scheduling
Most tasks on a computerize ran as a process to include background processes and applications. Task managers help you see everything that's running on a computer and how much each app is consuming. You can end task/kill process to shut down an app that is taking up too much memory or CPU.
Explain the purpose of operating systems
Operating Systems (OS) provides an interface between the hardware and the user.
Access Control/Protection
User accounts are given the right level of system access to perform necessary tasks. Only admins can make system changes
Application Management
the process of managing the operation, maintenance, versioning and upgrading of an application throughout its lifecycle. Installing/uninstalling software and launching/switching applications
