Cat

1. File viewing In Linux, you are going to handle files with lots of different types, and want to see what’s in there. On this page, we will explore how to view the file contents if they are in text in the Linux system. cat [options] [files] The simplest viewer is cat, which just copies its files to standard output, concatenating them. $ cat filename This command dump all the contents on the screen, so large files will likely scroll off screen. »