acl

Manage POSIX access control lists on files and directories

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Commands for manipulating POSIX access control lists

getfaclsetfaclchacl

Display ACL permissions for a file$ getfacl /path/to/file

Grant read and execute permissions to a specific user via ACL$ setfacl -m u:username:rx /path/to/file

Remove all ACL entries for a user from a file$ setfacl -x u:username /path/to/file