Add a header to a tab delimited file

Question

I\'d like to add a header to a tab-delimited file but I am not sure how to do it in one line in linux.

Let us say my file is:

Answer 1

Customary awk answer.

awk 'BEGIN { print "name\tage\tuniversity\tcity" } { print }' yourfile > /tmp/out && mv /tmp/out yourfile