login 1:4.8.1-1ubuntu5.20.04.1 (i386 binary) in ubuntu focal

 This package provides some required infrastructure for logins and for
 changing effective user or group IDs, including:
  * login, the program that invokes a user shell on a virtual terminal;
  * nologin, a dummy shell for disabled user accounts;
  * su, a basic tool for executing commands as root or another user.