Linux command--head

2. Command format:
   

   head [options] File (option is not writable)

4. Command function:

   Displays the contents of the number of lines before the beginning of the file

6. Common functions:

   - g hidden file name

   - v Displays the file name simultaneously

   - n Specifies the number of rows to display, default is 10 rows

   - C Specifies the number of bytes to display

7. Common examples:

   Example one: Displaying the contents of the first 5 rows of a file

   Command: head-n 5 file or head-5 file

   
   

   Example two: Show file first 100 bytes

   Command: head-c file

   Example three: displaying file files except for the entire contents of the next 10 lines

   Command: head-n -10 file
   

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Linux command--head