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School of Computer Science & Engineering
University of New South Wales
 Advanced Operating Systems 
 COMP9242 2002/S2 

DIT header page (MIPS)

• Lives in kernel reserved space.
• Address is contained in kernel info page.
• Mapped read-only to anyone requesting it at any time.
• Contains for each file in the boot image:
  • name,
  • size and location in physical memory,
  • entrypoint address (zero if not executable image),
  • flag indicating whether it's to be started by .