System administration tools are software applications that help IT professionals manage and maintain computer systems and networks. These tools can automate tasks such as monitoring system performance, managing user accounts, and applying software updates. Common examples include Nagios for monitoring, Ansible for automation, and Active Directory for user management. These tools enhance efficiency and reduce the risk of human error by streamlining routine tasks. They also provide valuable insights into system health and security, allowing administrators to quickly identify and resolve issues. Overall, system administration tools are essential for maintaining the reliability and performance of IT infrastructure.