Mastered Unix and Shell Command Techniques

📅 2023-08-29 — Session: Mastered Unix and Shell Command Techniques

🕒 03:45–04:15
🏷️ Labels: Unix, Shell Scripting, File Management, Command Line, Troubleshooting
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal: The goal of this session was to explore and execute various command-line techniques in Unix-like systems, focusing on directory management, file extraction, and integrity checks.

Key Activities:

• Explored a command for listing directories by disk usage recursively, providing insights into each component of the command.
• Used the grep command with regular expressions to extract substrings from input strings, demonstrating practical examples.
• Demonstrated extracting filenames without extensions using shell parameter expansion and alternative command-line tools.
• Provided instructions for extracting .zip files using the unzip command, including installation guidance for the utility.
• Diagnosed and resolved ZIP file corruption issues, offering a comprehensive workflow for troubleshooting and recovery.
• Verified file integrity using MD5 checksums and provided alternative extraction methods when the file command is unavailable.
• Outlined recovery steps for corrupted ZIP files using the 7z command, detailing the corruption nature and extraction results.

Achievements:

• Gained proficiency in Unix and shell command techniques, enhancing command-line efficiency and troubleshooting skills.
• Developed a robust understanding of file management and integrity verification processes.

Pending Tasks:

• Further exploration of advanced file recovery techniques and command-line tools for enhanced data management.