Become another user and load their shell profile.
Section: Users Groups and Sessions
Switch user with login shell
bash
bash
su - postgresExplanation
Classic for service accounts that own app data or databases.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Users Groups and Sessions
Show how the shell resolves a command
Reveal whether a name is an alias, builtin, function, or file.
Build command lines from stdin
Pass stdin items as arguments to another command.