A Finger server for Plan 9.

1. Source

2. Usage

Works with listen(8). /rc/bin/service/tcp79:

#!/bin/rc
/bin/fingerd

Listing all users in /usr:

% echo '
' | fingerd
Login                Name                 Last login
1bpp                 Charlie Bellini      Sat Jul  5 10:29:31 CES 2025

Querying a specific user:

% echo '1bpp
' | fingerd
Login: 1bpp                             Name: Charlie Bellini
Directory: /usr/1bpp                    Shell: /bin/rc
Last login: Sat Jul  5 10:29:31 CES 2025
No Plan.

• Name is read from $home/lib/name. No newlines please.
• Last login time is the modification time of $home/lib/logintime — add a “touch $home/lib/logintime” to your $home/lib/profile if you want to expose this information.
• Plan is read from $home/.plan.