Advanced Command Line Techniques for Linux Mastery

1. Regular Expressions with grep and sed:

grep: Use regex patterns with grep to search for complex text patterns within files.

grep -E 'pattern' filename

sed: Perform text transformations and substitutions.

sed 's/old_text/new_text/g' filename

2. File Manipulation Beyond Basics:

find: Search for files based on various criteria.

find /path/to/directory -name "*.txt" -type f

xargs: Pass output from one command as arguments to another.

find /path -name "*.txt" | xargs rm

3. Managing Processes and Resources:

top and htop: Monitor system processes and resource usage.

top
htop

nice and renice: Adjust process priority.

nice -n 10 command
renice priority_value PID

Conclusion:

Mastering these advanced command-line techniques in Linux unlocks a realm of possibilities, enabling streamlined administration, automation, and efficiency. Continuous practice and exploration of these tools and methods will enhance your proficiency and productivity within the Linux command-line ecosystem.

Happy exploring and mastering the command line in Linux!