How to concatenate multiple files?

To concatenate multiple files in Linux, you can use the cat command followed by the names of the files you want to combine, and then redirect the output to a new file. Here’s the syntax:

cat file1.txt file2.txt file3.txt > combined_file.txt

In this example, file1.txt, file2.txt, and file3.txt are the files you want to concatenate, and combined_file.txt is the new file that will contain the combined content.

If you want to append the contents of the files to an existing file instead of creating a new one, you can use the >> operator:

cat file1.txt file2.txt >> existing_file.txt

This will add the contents of file1.txt and file2.txt to existing_file.txt.