Output of “cat File1.txt File2.txt” command in unix

Output-of-cat-File1.txt-File2.txt-command-in-unix

Cat command is one of the basic commands that you learned when you started in the Unix / Linux world.
You already know that cat displays a file content. What more could this command do?
You will be asked in interview like, what does cat File1.txt File2.txt’ displays?
File1.txt looks like:

File2.txt looks like:

cat File1.txt File2.txt :

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