Operating Systems
Knowledge of various operating system platforms
Operating Systems knowledge encompasses understanding the architecture, administration, and security of the software that manages computer hardware and provides services for applications.
Major Platforms
- Windows - Desktop and server editions
- Linux - Various distributions for servers and security
- macOS - Apple desktop operating system
- Unix - Commercial Unix variants (AIX, Solaris, HP-UX)
- Mobile - iOS and Android
Core Concepts
- Process and memory management
- File systems and storage
- User and permissions management
- Networking stack
- System services and daemons
Security Considerations
- Hardening and secure configuration
- Patch management
- Access control mechanisms
- Audit logging
- Endpoint protection integration
Administration Skills
- Installation and deployment
- Configuration management
- Performance tuning
- Backup and recovery
- Troubleshooting and diagnostics
