Linux CLI Mastery for Senior Engineers

This mini-site is organized as separate HTML pages with a parent navigation page, so you can browse each topic quickly and reuse it as a personal reference. The content is practical, production-focused, and oriented toward Linux scripting and backend engineering work.

Production-friendly Senior engineer focused Practical commands Fast lookup

Browse Sections

Top 100 Linux Commands

Most used daily commands with short explanations and examples.

Top 50 Debugging Commands

Commands for incidents, ports, services, logs, networking and process checks.

Log Investigation Techniques

How to search huge logs, trace exceptions, filter noise and summarize issues.

Disk / Memory / CPU Troubleshooting

Fast commands and patterns for resource bottleneck analysis.

awk + sed Mastery

The most practical awk and sed patterns used in scripts and operations.

Production One-Liners

Reusable one-liners for incidents, deployments, cleanup and inspection.

File Handling

Copy, move, sync, compress, inspect and safely manage files and directories.

VI Editor Complete Command Set

Practical vi / vim commands for navigation, editing, search, copy, replace and save.

CSV Operations

Practical CSV Operation for daily jobs.