Command Line Essentials

10 Lektionen in dieser Stufe

1. Reading the Prompt and Moving Around with pwd, ls and cd
   Navigate the directory tree using absolute and relative paths. · Lab: Follow a treasure-hunt of ten paths and record what ls -l shows at each stop.
2. Creating, Copying, Moving and Deleting Files Safely
   Use mkdir, touch, cp, mv and rm without losing data. · Lab: Build a practice folder, reorganise it with cp and mv, then remove it with rm -ri.
3. Viewing Text with cat, less, head and tail
   Pick the right viewer for short files, long files and growing files. · Lab: Inspect /etc/os-release, page through a long log with less and follow a file with tail -f.
4. Editing Configuration Files with nano
   Open, change, save and exit a text file from the terminal. · Lab: Create a notes file in nano, search and replace a word, and save it under a new name.
5. Getting Help from man Pages and Built-In Usage Text
   Find the option you need without leaving the terminal. · Lab: Use man and --help to discover how to sort ls output by size and by time.
6. Wildcards, Tab Completion and Command History
   Type less by letting the shell expand names and recall commands. · Lab: Select files with * and ?, complete long paths with Tab and re-run commands with history and Ctrl+R.
7. Redirecting Output and Chaining Commands with Pipes
   Send output to files and connect small tools into a pipeline. · Lab: Count installed packages with a pipe into wc and save the sorted list to a file.
8. Finding Files and Text with find and grep
   Locate files by name, age or size and lines by content. · Lab: Find every file over 10 MB in your home folder and grep the system log for a keyword.
9. Installing and Removing Software with apt
   Search for, install, inspect and remove packages. · Lab: Install htop and tree, list their files with dpkg -L and remove one of them again.
10. Writing Your First Shell Script
    Turn a list of commands into an executable script with variables. · Lab: Write a script that creates a dated report with hostname, uptime and disk usage.

Abschlussprojekt

A shell script that builds a tidy project folder structure, gathers system facts into a dated report file and can be re-run safely.

Teile für diese Stufe

• 1 × Raspberry Pi 5 or Pi 4 set from Level 1

In jeder Lektion legst du die passenden Teile direkt in den Warenkorb. Raspberry Pi →