cat

cat is used to create files, view the content of files, concatenates and redirects the output in terminal.Cat is the abbreviation for “catenate.” It simply reads the content of the file and displays that content as an output.The syntax for cat command is cat [option] [file]. Apart from displaying the content of a file, the cat command is also used to copy, combine and to create text files. It is the most frequently used commands in all platforms.