How can I get the current user's username in Bash?

Question

I am writing a program in Bash that needs to get the user\'s username.

I have heard of a thing called whoami, but I have no idea what it does or how to use it.

W

Answer 1

Two commands:

1. id prints the user id along with the groups. Format: uid=usernumber(username) ...

2. whoami gives the current user name