Use `wc -c` reading from stdin (with `<`) on welcome.txt. Output must be just the number.
When you redirect a file into `wc` with `<`, the file name is NOT printed — only the count. That's a handy trick when you want clean output for a pipeline.
Print the byte count of `/home/user/welcome.txt` using stdin redirection. Your output should be the number `81` followed by a newline (no file name).
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