Create Files with cat.

There are so many ways of creating a file in Linux base operating system. One of the simples way to create a file is using the cat command:

[root@fedora ~]# cat > filename.txt
Create file
Using cat command
Fedora Core
Operating
Systems

[root@fedora ~]#

Note: The greater-than sign (>) after cat command is necessary to create the file.
The text typed is written to a file with the specified file name, on the example above the text that you type is written to the text file named filename.txt.
Press Ctrl+D key after a line-break (just hit the enter key after last line of text) to denote the end of the file. The next shell prompt is displayed then use the ls -l command to verify the existence of the new file called filename.txt