Did you mean (for systemd): show_journal_by_unit   sd_journal_query_unique   sd_peer_get_user_unit   sd_bus_creds_get_user_unit  

Your search defs:show_journal_by_user_unit did not match any files.
Suggestions:

• Make sure all terms are spelled correctly.
• Try different keywords.
• Try more general keywords.
• Use 'wil*' cards if you are looking for partial match.