10 Daily Linux Questions and Answers Series (part 8)

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In this brief article, I present 10 essential Linux questions along with their answers.
This foundational knowledge is crucial for anyone seeking to master Linux.

Q1: What is the difference between ls -l and ls -lh?
ls -l shows file details in bytes, while ls -lh shows sizes in a human-readable format (KB, MB, GB).

Q2: How do you list files with their full path?
ls -d $PWD/*

Q3: How do you list symbolic links only?
ls -l | grep '^l'

Q4: How do you check which file is using the most disk space in a directory?
du -ah | sort -rh | head -n 10

Q5: How do you list files modified within the last 2 days?
find . -mtime -2

Q6: Why might ls not show some files even though they exist?
If files are hidden (starting with a dot), ls won't show them unless you use -a.

Q7: How do you check the color coding used by ls?
ls --color=auto

Q8: What is the difference between ls and ls --color=auto?
ls --color=auto enables color coding in the output based on file types.

Q9: How do you list files without sorting them?
ls -U

Q10: How can you display file sizes in different units (KB, MB, GB)?
ls -lh