Head of a linux command every day

The headhead command of a linux command is used to display the first few lines of the file. the default value is 10 lines. Head -- help can be used to view command parameters. Headfile1 displays the first 10 rows of file1. Www.2cto. the comhead-c20file1 displays the first 20 bytes of file1. B...
The head command of a linux command in a day is used to display the first few lines of the file. the default value is 10 lines. Head -- help can be used to view command parameters. Head file1 displays the first 10 rows of file1. Www.2cto.com head-c 20 file1 shows the first 20 bytes of file1. B is 512, k is 1 k, and m is 1Meg. For example, head-c 1 k file1 head-n 20 file1 shows the first 20 rows of file1. Author: CrazyNemo