\entry{read permission}{28}{read permission}
\entry{write permission}{28}{write permission}
\entry{execute permission}{28}{execute permission}
\entry{owner, default}{28}{owner, default}
\entry{group owner, default}{28}{group owner, default}
\entry{setuid}{28}{setuid}
\entry{setgid}{28}{setgid}
\entry{sticky}{28}{sticky}
\entry{swap space, saving text image in}{28}{swap space, saving text image in}
\entry{text image, saving in swap space}{28}{text image, saving in swap space}
\entry{append-only directories}{28}{append-only directories}
\entry{symbolic modes}{28}{symbolic modes}
\entry{owner of file, permissions for}{29}{owner of file, permissions for}
\entry{group, permissions for}{29}{group, permissions for}
\entry{other permissions}{29}{other permissions}
\entry{adding permissions}{29}{adding permissions}
\entry{removing permissions}{29}{removing permissions}
\entry{subtracting permissions}{29}{subtracting permissions}
\entry{setting permissions}{29}{setting permissions}
\entry{read permission, symbolic}{29}{read permission, symbolic}
\entry{write permission, symbolic}{29}{write permission, symbolic}
\entry{execute permission, symbolic}{29}{execute permission, symbolic}
\entry{copying existing permissions}{30}{copying existing permissions}
\entry{permissions, copying existing}{30}{permissions, copying existing}
\entry{changing special permissions}{30}{changing special permissions}
\entry{conditional executability}{31}{conditional executability}
\entry{multiple changes to permissions}{31}{multiple changes to permissions}
\entry{umask and modes}{32}{umask and modes}
\entry{modes and umask}{32}{modes and umask}
\entry{giving away permissions}{32}{giving away permissions}
\entry{numeric modes}{32}{numeric modes}
\entry{file permissions, numeric}{32}{file permissions, numeric}
\entry{octal numbers for file modes}{32}{octal numbers for file modes}

.