PRACTICE 3 — DATA PROCESSING & PIPES
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1. Show the first 5 lines of timeline.log.
2. Show the last 5 lines of timeline.log.
3. Count the exact number of lines in timeline.log.
4. From usernames.txt, determine which username appears most often.
5. From comma_log.csv, extract only the username column.
6. From space_log.txt, print only the second field.
7. In auth.csv, determine which IP generated the most FAILED logins.
8. Save the final ranked result from task 7 into suspects.txt.
