System administration is the process of managing and maintaining the computer systems and networks of an organization. System administrators are responsible for ensuring the availability, performance, and security of the systems and networks under their control.
The tasks that a system administrator might perform include:
- Installing and configuring operating systems, software applications, and hardware components.
- Monitoring system performance and resolving technical issues.
- Managing user accounts and permissions.
- Implementing and enforcing security policies and procedures, such as firewalls, antivirus software, and data encryption.
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