Online Linux Terminal Logo
OnlineLinuxTerminal
← All Tutorials•Intermediate

Process Management & System Monitoring

Learn how Linux manages execution threads, background jobs, process identifiers (PIDs), and resource consumption using `ps`, `top`, and `kill`.

Linux Community2.4k Online

Chat with real Linux users, learn new commands & get free cheat sheet PDFs.

Lesson Objectives

3 Steps
1Step 1: View Snapshot of Running Processes

Run `ps aux` to list all running system processes with user, PID, CPU, and memory metrics.

2Step 2: Launch Real-Time Monitor

Run `top` to view live CPU load averages and task states.

3Step 3: Inspect Memory Usage

Run `free -h` to see total, used, and available RAM in human-readable megabytes and gigabytes.

💡 Pro Tip:

Use `ps aux | grep <process_name>` to quickly identify the PID of a specific background service.

bash — terminal