It will show content of given filename

The cat command (short for “concatenate “) is one of the most frequently used commands in Linux. cat command allows you to create single or multiple files, view contents of file, concatenate files and redirect output in terminal or files.

it reads data from the file and fives their content as output

shows the contents of that file

shows the contents of bothe files

create a file

create a file

displays line numbers to the file

shows the $ at the end of the line and in the gap between the paragraphs

tab space is filled by ^i by usinf -T command

dispalys multiple files together

This will create a file file2 and the output of the cat command is piped to sort and the result will be redirected to a newly created file.