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Managing Processes

Every running program is a process. Linux gives you powerful tools to view, manage, and control processes.

bash

# List running processes
ps aux

# Real-time process viewer
top
# or the modern alternative:
htop

# Find a specific process
ps aux | grep nginx

# Kill a process by PID
kill 1234

# Force kill
kill -9 1234

Tip:Use kill -9 only as a last resort. It forcefully terminates a process without letting it clean up.