Published December 19, 2020 by

head, tail, more & less Commands in Unix/Linux

 



head : to display specified number of lines from top of the file.

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head cities.txt


* Display 10 lines from top of the file.

* 10 is the dfault value for head command


head -n 15 cities.txt  (or)  head -15 cities.txt


head -n 5 cities.txt  



tail : to display specified number of lines from bottom of the file.

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tail cities.txt


* Display  last 10 lines from the file.

* 10 is the dfault value for tail command


tail -n 15 cities.txt  (or)  tail -15 cities.txt


tail -n 5 cities.txt   



Display the lines from 10 to 15 ?

head -15 cities.txt | tail -6


Display the lines from 20 to 30 ?

head -30 cities.txt | tail -11


ls - l   Display List of files and directories


ls -l | head -5   Display Top 5 files and directories

ls -l | tail -5   Display Top 5 files and directories



more : Display content page by page.(Next page - space, Next line - Enter,  q- Command prompt)

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more cities.txt


more : Display content page by page in both directions means next page or to previos page

Next page - space, Next line - Enter,  q- Command prompt)

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more cities.txt

ls -l | more

ls -l | less

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