tac command in linux
1. Introduction Brief hook: Why reversing file content matters Intro to tac as the inverse of cat Mention use cases in logs, data processing, and automation 2. What Is the tac Command? Basic definition and origin (reverse of cat ) Syntax overview: tac [OPTION]... [FILE]... 3. Basic Example Create a sample file (e.g., fruits.txt ) Use cat vs tac to show contrast in output CLI command examples 7. When Not to Use tac Files with very large line lengths (memory-heavy) When reversing characters (use rev instead) 4. Related Commands cat – normal output rev – reverse characters in lines less – paged viewing tail – show last lines of file 5. Conclusion Summary: small but mighty tool Encourage experimenting with pipes and log file workflows Invite readers to try tac in their shell scripts 6. Call to Action Ask: “Have you used tac before? Share your best use cases in the comments!” Suggest: “Subscribe f...