The head Command:

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head Command in Linux:

head command is used to see or go through the files from the very begining. It can show first set number of lines or characters.

Syntax:

• In its simplest form, when used without any option, the head command displays the first ten lines.

  Example:
  
$ head filename.txt




• Use the -n option followed by an integer specifying the number of lines to be shown:

  Syntax:
  
$ head -n <NUMBER> filename.txt

  
  Example:
  
$ head -n 30 filename.txt

  
  

  The same can be written as:

  
$ head -30 filename.txt




• The -c option allows printing a specific number of bytes:

  Syntax:
  
$ head -c <NUMBER> filename.txt

  
  Example:
  
$ head -c 100 filename.txt




• If multiple files are provided as input to the head command, it will display the first ten lines from each provided file.

  Example:
  
$ head filename1.txt filename2.txt


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