How to append contents of multiple files into one file

Question

I want to copy the contents of five files to one file as is. I tried doing it using cp for each file. But that overwrites the contents copied from the previous file. I also

Answer 1

If you want to append contents of 3 files into one file, then the following command will be a good choice:

cat file1 file2 file3 | tee -a file4 > /dev/null

It will combine the contents of all files into file4, throwing console output to /dev/null.