Cat command Introduction

Cat command introduction-general Linux technology-Linux technology and application information. The following is a detailed description. The original meaning of the cat command is to connect to concatenate. It is used to connect multiple files and output them to the standard output stream. The standard output stream is the screen by default. In practice, we often use it to display the file content, if you are familiar with the type command under the MS-DOS, it is not difficult to grasp the cat command.

Common examples of this command are as follows:

Cat file1.txt
Display the content of the file1.txt File

Cat file1.txt file2.txt
Display the content of file1.txt and file2.txt files

Cat-n file1.txt
Display the content of the file1.txt file and the row number