Changes

=== Virtual filesystems ===

=== Virtual filesystems ===

For virtual filesystems like proc or sysfs there's another possibility for such files to appear. It's the removal of the object represented of a file on this FS. In particular, if we open some file in /proc/$pid and the respective task dies the path of the opened file would get removed, while the file itself would be still alive (though reporting ENOENT error on any attempts to read from one).

For virtual filesystems like proc or sysfs there is another possibility when such invisible files may appear. It's the removal of the object represented of a file on this FS. In particular, if we open some file in /proc/$pid and the respective task dies the path of the opened file would get removed, while the file itself would be still alive (though reporting ENOENT error on any attempts to read from one).

=== Name-less files ===

=== Name-less files ===