(Unix)1.Both of the following commands try to open the file foo, but the error messages are a little different. What could be the reason?

$ cat foo

cat: foo: No such file or directory

$ cat < foo

-bash: foo: No such file or directory

2.Explain the result from following command.

$ comm file1 file2

Hello Aiden

It's ruined my life

I am Jodie

I was born with a strange gift