Look at the first 3 lines of a file
Transfered from Linux Config:
What command could you use to look at the first 3 lines of a file named "grades.report" if you had such a file? What command would you use to see the last 2 lines?
head command without any options will return first 10 lines of any given text file supplied as an argument. However, using -20 option will return first 20 lines. Therefore,
returns first 3 lines and
head -3 grades.report
returns last 3 lines of a file grades.report.
tail -3 grades.report
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