Gemini CLI Essentials – Full Course

freeCodeCamp.org · Beginner ·🧠 Large Language Models ·1mo ago

Skills: Agentic Coding90%LLM Engineering80%

Learn how to use the Gemini CLI for agentic coding. Created by @ExamProChannel Course info: https://www.exampro.co/exp-gemini-cli-01 ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecampGemini Fundamentals ⭐️ Contents ⭐️ 00:01:09 Introduction 00:07:56 Gemini CLI 00:10:04 Gemini Models 00:11:17 Gemini Models Follow Along 00:13:36 Gemini API Key 00:17:03 Context Window Size Setup and Authentication 00:18:47 Install and Auth Gemini CLI 00:20:24 Gemini CLI Install 00:34:39 API Key Follow Along Context, Sessions, and Execution 00:41:16 Memory Management 00:42:25 GEMINI Markdown File 00:43:58 Gemini Markdown File and Memory Part 1 00:50:29 Gemini Markdown File and Memory Part 2 01:07:20 Compress and Clear Follow Along 01:18:55 Chat Management and Rewind Command 01:20:33 Chat Management Commands Follow Along 01:29:39 Rewind Command Follow Along 01:34:41 Plan Mode Follow Along 01:38:39 Settings File 01:39:46 Settings File Follow Along 01:44:30 Policy Files 01:46:01 Policy Follow Along 02:03:34 System Prompt Overrides 02:04:34 System Prompt Override Follow Along 02:10:16 Gemini Ignore Files 02:11:14 Gemini Ignore Follow Along 02:14:08 Permissions and Trusted Folders 02:15:15 Permissions and Trusted Folders Follow Along 02:19:30 Sandboxes 02:21:03 Sandbox Mode Follow Along 02:27:57 Yolo Command 02:28:39 Headless Mode 02:29:08 Headless Mode Follow Along Integration, Skills, and Automation 02:31:58 Extensions Marketplace 02:32:36 Extensions Marketplace and Using a Skill 02:41:00 Agent Skills 02:43:18 Agent Skills Follow Along 02:49:50 MCP Follow Along 03:02:02 Google GenAI SDK Follow Along 03:11:33 ADK Follow Along 03:24:47 Custom Subagent 03:36:22 GitHub Actions Follow Along UI & Misc 03:47:02 Themes 03:47:21 Themes Follow Along 03:48:00 Footer 03:48:58 Footer Follow Along

Watch on YouTube ↗ (saves to browser)

Sign in to unlock AI tutor explanation · ⚡30

More on: Agentic Coding

View skill →

LIVE: My OpenClaw just built Cursor. Software is dead.

LIVE: My OpenClaw just built Cursor. Software is dead.

From Idea to Live Voice Agent in Minutes (Claude Code)

From Idea to Live Voice Agent in Minutes (Claude Code)

12 Hour Coding Stream - Creating A Tower Defense Game with Python & Pygame

12 Hour Coding Stream - Creating A Tower Defense Game with Python & Pygame

Building agentic AI workflows with W&B Weave: a hiring assistant case study

Building agentic AI workflows with W&B Weave: a hiring assistant case study

Weights & Biases

Advanced App Development in Android Capstone

Advanced App Development in Android Capstone

Agentic AI Content for Practitioners: Software

Related AI Lessons

LLM Fine-Tuning 2026: Complete LoRA, QLoRA & Full Fine-Tuning Guide

Learn how to fine-tune LLMs using LoRA, QLoRA, and full fine-tuning methods, and understand their applications and benefits

50 ChatGPT prompts every teacher should have in 2026

Learn 50 effective ChatGPT prompts for teachers to enhance student learning and engagement in 2026

Beyond "Hey ChatGPT": The Developer's Guide to Engineering Reliable LLM Systems

Learn to engineer reliable LLM systems beyond basic prompts, applying best practices for developers and founders

Physics-Augmented Diffusion Modeling for heritage language revitalization programs with ethical auditability baked in

Learn how Physics-Augmented Diffusion Modeling can be applied to heritage language revitalization programs with ethical auditability

Chapters (46)

1:09 Introduction

7:56 Gemini CLI

10:04 Gemini Models

11:17 Gemini Models Follow Along

13:36 Gemini API Key

17:03 Context Window Size

18:47 Install and Auth Gemini CLI

20:24 Gemini CLI Install

34:39 API Key Follow Along

41:16 Memory Management

42:25 GEMINI Markdown File

43:58 Gemini Markdown File and Memory Part 1

50:29 Gemini Markdown File and Memory Part 2

1:07:20 Compress and Clear Follow Along

1:18:55 Chat Management and Rewind Command

1:20:33 Chat Management Commands Follow Along

1:29:39 Rewind Command Follow Along

1:34:41 Plan Mode Follow Along

1:38:39 Settings File

1:39:46 Settings File Follow Along

1:44:30 Policy Files

1:46:01 Policy Follow Along

2:03:34 System Prompt Overrides

2:04:34 System Prompt Override Follow Along

2:10:16 Gemini Ignore Files

2:11:14 Gemini Ignore Follow Along

2:14:08 Permissions and Trusted Folders

2:15:15 Permissions and Trusted Folders Follow Along

2:19:30 Sandboxes

2:21:03 Sandbox Mode Follow Along

2:27:57 Yolo Command

2:28:39 Headless Mode

2:29:08 Headless Mode Follow Along

2:31:58 Extensions Marketplace

2:32:36 Extensions Marketplace and Using a Skill

2:41:00 Agent Skills

2:43:18 Agent Skills Follow Along

2:49:50 MCP Follow Along

3:02:02 Google GenAI SDK Follow Along

3:11:33 ADK Follow Along

3:24:47 Custom Subagent

3:36:22 GitHub Actions Follow Along

3:47:02 Themes

3:47:21 Themes Follow Along

3:48:00 Footer

3:48:58 Footer Follow Along

5 Levels of AI Agents - From Simple LLM Calls to Multi-Agent Systems

Dave Ebbelaar (LLM Eng)