What will you learn in Harnessing the Power of the Command-Line Interface Course
Navigate and interact with your OS using the command line (CLI) efficiently
Master file and directory operations, permissions, and process management
Utilize powerful text-processing tools:
grep,awk,sed, andcut
Automate tasks with shell scripting, loops, conditionals, and functions
Leverage package managers, SSH, and remote workflows to boost productivity
Program Overview
Module 1: CLI Fundamentals & Navigation
⏳ 1 week
Topics: Shell types (bash, zsh), prompt customization, directory structure
Hands-on: Navigate the filesystem, use shortcuts like
cd -,pushd/popd
Module 2: File & Directory Operations
⏳ 1 week
Topics:
ls,cp,mv,rm, wildcards, recursive operationsHands-on: Batch rename files with patterns and manage nested directories
Module 3: Permissions & Process Management
⏳ 1 week
Topics:
chmod,chown,ps,top,kill, background jobsHands-on: Write scripts to monitor and restart hung processes automatically
Module 4: Text Processing Tools
⏳ 1 week
Topics:
grep,awk,sed,cut,sort,uniqpipelinesHands-on: Extract and aggregate log data to generate summary reports
Module 5: Shell Scripting Basics
⏳ 1 week
Topics: Shebang, variables, conditionals, loops, I/O redirection
Hands-on: Create a backup script that archives and rotates logs
Module 6: Advanced Scripting & Functions
⏳ 1 week
Topics: Functions, argument parsing, modular script design
Hands-on: Develop a reusable CLI tool with help flags and subcommands
Module 7: Remote Workflows & Package Management
⏳ 1 week
Topics: SSH,
scp,rsync, apt/yum/brew, environment managementHands-on: Automate deployment of scripts across multiple servers via SSH
Module 8: Productivity & Customization
⏳ 1 week
Topics: Aliases, environment variables, prompt themes, Tmux basics
Hands-on: Configure a Tmux session with panes and keybindings for dev workflows
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Job Outlook
CLI proficiency is essential for DevOps, Sysadmin, SRE, and backend development roles
Roles include System Administrator, DevOps Engineer, Site Reliability Engineer
Salaries range from $80,000 to $140,000+ based on experience and specialization
Mastery of the CLI accelerates troubleshooting, automation, and large-scale system management
Specification: Harnessing the Power of the Command-Line Interface Course
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FAQs
- Basic familiarity with a Unix-like environment is helpful but not mandatory.
- Course starts with CLI fundamentals, shell types, and directory navigation.
- Hands-on exercises guide learners through real-world tasks.
- Windows users can use WSL or equivalent environments to follow along.
- By the end, learners gain confidence performing system operations via CLI.
- Covers process monitoring, background jobs, and system automation.
- Hands-on labs with
grep,awk,sed, andcutfor log and text processing. - Automates repetitive tasks using shell scripting and functions.
- Teaches remote workflows with SSH,
scp, andrsync. - Skills are directly applicable to backend, DevOps, and SRE roles.
- Teaches modular script design and function creation.
- Covers argument parsing and handling multiple inputs.
- Hands-on exercises include building reusable CLI utilities.
- Focuses on scripting best practices for maintainability.
- Learners gain confidence creating scripts usable in production workflows.
- Teaches creation of aliases and environment variables for faster commands.
- Covers prompt customization and shell theming for improved readability.
- Introduces Tmux for managing multiple panes and sessions.
- Hands-on labs show practical productivity enhancements.
- Customization knowledge improves efficiency for daily development tasks.
- Dedicate 4–6 hours weekly for modules and hands-on labs.
- Focus on one topic or exercise per session for better retention.
- Practice scripting and text-processing exercises incrementally.
- Document commands, scripts, and workflows for future reference.
- Apply learned techniques to small personal or work projects for reinforcement.
