Linux Head Command

the head command in linux os is used to print the first N lines from file to the terminal.by default head command will display first 10 lines from file.

Syntax

$head [option] [file_name]

Opetions

Sr.No	Options	Descriptions
01	-n	it will print the first N lines of the file.with leading "-" it will print all the lines,excepting last N lines from the file.
02	-c	it will print the first N bytes of file.with leading "-" it will print all the bytes skipping the last N bytes of the file.

Example

$head file1.txt
						

display the first 10 lines from file1.txt file

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$head -n3 file1.txt
						

display first N lines from a file

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$head -n-5 file1.txt
						

display the contents of file by skipping last N lines from a file.

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$head -c5 file1.txt
						

display first 5 charaters from file1.txt file

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$head -c-7 file1.txt
						

skip the last 7 charaters from linux file

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$head -n4 file1.txt file2.txt file3.txt file4.txt
						

display the first 4 line from all file file1.txt,file2.txt,file3.txt,file4.txt