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: How do you sort based on delimiter-separated fields?
sort -t ',' -k 2 filename
Q2: How do you check if a file is already sorted?
sort -c filename
Q3: How do you sort in reverse order while keeping duplicates unique?
sort -ru filename
Q4: How do you sort human-readable numbers like sizes (KB, MB, GB)?
sort -h filename
Q5: How do you perform a stable sort (preserve the original order for duplicates)?
sort -s filename
Q6: How do you sort based on date format?
sort -k 1,1 filename
Q7: How do you sort based on IP addresses?
sort -t '.' -k 1,1n -k 2,2n -k 3,3n -k 4,4n filename
Q8: How do you use sort with large files efficiently?
sort --buffer-size=4M filename
Q9: How do you sort a CSV file based on a specific column?
sort -t ',' -k column_number filename.csv
Q10: How do you sort a log file based on timestamps?
sort -k 1,1 filename.log
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