<ul><li>A ps (Process Status) Session involves analyzing active processes running on a Linux system using the ps command.</li><li>Running ps -ef --forest allows administrators to visualize parent-child relationships between processes for tracking user activities and troubleshooting performance issues.</li><li>Oracle DBAs commonly use commands like pf -ef|grep pmon to check database and listener processes.</li><li>ps -ef --forest provides a hierarchical view of running processes, aiding in visualizing process relationships and dependencies for troubleshooting.</li><li>By using ps -ef --forest, one can identify parent processes, track user sessions, and analyze process dependencies on a Linux system.</li><li>Visualizing session hierarchy with ps -ef --forest assists in understanding process initiation, parent-child relationships, and unexpected processes.</li><li>Running ps -ef --forest portrays a tree-like structure of processes, showing how user sessions and services interact and spawn on the system.</li><li>To filter Oracle-related sessions using ps -ef --forest, one can use a grep command to focus on processes related to 'oracle' or 'sqlplus.'</li></ul>

ps --forest | for navigating Oracle PID's

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