...xattr (2)) retrieves the whole value of an attribute and stores it in a buffer. Writing ( setxattr (2)) replaces any previous value with the new value. Space consumed for extend…...through these system call families: chdir (2), stat (2), flock (2), chmod (2), chown (2), setxattr (2), utime (2), ioctl (2), fcntl (2), access (2). Future Landlock evolutions w…...file using setcap (8). The file capability sets are stored in an extended attribute (see setxattr (2) and xattr (7)) named security.capability . Writing to this extended attribu…...e, permissions (e.g., chmod (2)), timestamps (e.g., utimensat (2)), extended attributes ( setxattr (2)), link count (since Linux 2.6.25; e.g., for the target of link (2) and for…