Tip Category 13 tips command-line

Command Line

13 Total Tips

5 Beginner

7 Intermediate

1 Advanced

Linux cat Command: Beyond Basic File Viewing

Beginner

How to Use Linux cat Command for File Viewing and Analysis? Quick Answer: Use cat filename.txt to display file contents, cat -n filename.txt to show...

Bash

cat -n /var/log/nginx/error.log | grep -E "(404|500|503|502)"

July 13, 2025 luc 25 min read

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Linux cp Command for Daily Use

Intermediate

How to Use Linux cp Command for Safe File Copying? Quick Answer: Use cp -i source destination for interactive copying with overwrite protection, or cp...

Bash

cp -riv my-site/ my-site-backup/

July 12, 2025 luc 26 min read

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Linux ls Command: Master ls -lahtr for Daily Productivity

Intermediate

How to Use Linux ls Command for Advanced File Listing? Quick Answer: Use ls -lahtr for comprehensive file listing with hidden files, human-readable sizes, and...

Bash

ls -lahtr --time-style=+%Y-%m-%d | grep $(date +%Y-%m-%d)

July 11, 2025 luc 16 min read

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Linux cat Command: Beyond Basic File Viewing

Linux cp Command for Daily Use

Linux ls Command: Master ls -lahtr for Daily Productivity

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