In Linux "cat" is the command used to

In Linux "cat" is the command used to

• Come out of shell
• Move directory
• See the contents of file
• Come out of shell 

EXPLANATION

The cat (short for "concatenate") command is one of the most frequently used command in Linux/Unix like operating systems.cat command allows us to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files.

The cat command in Linux allows you to concatenate files and display the output to the standard output; in most cases this is a screen. One of the most common uses of cat is to display a file to the screen and also to create a file on the fly and allow basic editing straight at the terminal .