setfacl

Set file access control lists (ACL). More information: https://manned.org/setfacl.

• Modify ACL of a file for user with read and write access:

setfacl {{[-m|--modify]}} u:{{username}}:rw {{path/to/file_or_directory}}

• Modify default ACL of a file for all users:

setfacl {{[-m|--modify]}} {{[-d|--default]}} u::rw {{path/to/file_or_directory}}

• Remove ACL of a file for a user:

setfacl {{[-x|--remove]}} u:{{username}} {{path/to/file_or_directory}}

• Remove all ACL entries of a file:

setfacl {{[-b|--remove-all]}} {{path/to/file_or_directory}}