Are there alternatives to `whoami`?

Yes, there are a few alternatives to the whoami command that can also provide the current user's username:

1. id -un: This command will display the username of the current user.

   id -un

2. echo $USER: This command prints the value of the USER environment variable, which typically contains the username of the logged-in user.

   echo $USER

3. logname: This command returns the name of the user who is logged in on the terminal.

   logname

All of these commands can be used to obtain the current user's username in a Unix-like environment.