Grant or modify fine-grained access rules.
Section: Permissions Ownership and ACLs
Set ACL entries
bash
bash
setfacl -m u:alice:rwx shared/Explanation
Helpful when one extra user needs access without changing ownership.
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 Permissions Ownership and ACLs