First Move (11~18) - Code, Learn, Build
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First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

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← Linux Systems & Security|Level 2: Process Control, Systemd & Bash Automation

3. Process Management, OS Signals & Systemd Unit Services

Lesson 3 of 6
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Process Management, OS Signals & Systemd Unit Services

Inspect processes with ps/top, kill processes with SIGKILL/SIGTERM, configure systemd unit files, and view journalctl logs.

Process Control & Systemd Service Management

### Linux Process Signals & Systemd - **SIGTERM (15)**: Graceful process termination signal allowing cleanup. - **SIGKILL (9)**: Immediate forced process termination by kernel. - **systemctl**: Systemd management utility controlling daemon units (`systemctl start/stop/restart/status app.service`).
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