Book chapters:
	section 11.2 and 11.3

-----------------------------------------------------------------------------

Free-Space Management: (section 11.3)

. Bit vectors;

. Linked list of free blocks;

. Grouping of the linked list;

. Counting approach;


UNIX Fast File System Allocator: use the bit vector approach; has a bit
	vector for every cylinder group;

-----------------------------------------------------------------------------

Disk Scheduling;
   see the note for Lecture 23.

------------------------------------------------------------------------------

Discussion of Project 5:

. see the Web page on Project 5;

. holes in a file;