Command Reference¶
A searchable reference for every command taught in the course. Use the search box (press / or S) to jump to any command. Entries are added as each day is released.
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Bash and GNU/Linux tools on Ubuntu 24.04, by category.
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Cmdlets for Windows PowerShell 5.1 and PowerShell 7, by category.
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Task-oriented Bash ↔ PowerShell equivalents.
How each entry is organised¶
| Field | Meaning |
|---|---|
| OS / version | Where it works (Ubuntu, Windows, PowerShell 5.1 / 7) |
| Description | What it does |
| Syntax | Formal usage line |
| Parameters | The options you will actually use |
| Example | A realistic command |
| Expected output | What a typical result looks like (example; values differ per system) |
| Equivalent | The closest command on the other platform |
| Common errors | Errors you are likely to hit and why |
| Use case | A real professional situation |
| Docs | Official documentation link |
Coverage¶
| Category | Linux | PowerShell | Lesson |
|---|---|---|---|
| Navigation & system information | Days 1–2 | ||
| Files & directories | Day 2 | ||
| Help & discovery | Day 1 | ||
| Reading files, redirection | Day 3 | Day 3 | Released 2026-11-08 22:00 IST |
| Searching | Day 4 | Day 4 | |
| Pipelines & history | Day 5 | Day 5 | |
| Users & groups | Day 6 | Day 6 | |
| Permissions | Day 7 | Day 7 | |
| Processes & services | Day 8 | Day 8 | |
| Storage | Day 9 | Day 9 | |
| Packages | Day 10 | Day 10 | |
| Networking, DNS | Days 11–15 | Days 11–15 | |
| Logs, security, firewall | Days 16–20 | Days 16–20 | |
| Scripting & automation | Days 21–25 | Days 21–25 | |
| Remote administration | Day 26 | Day 26 |