COMP 3000 2012 Week 6 Notes

• Sun's NFS didn't use open or close
  • look into this
• signal handlers shouldn't do I/O
• open
  • translates a path and options into a file descriptor
• task_struct
  • represents a "task" in the kernel
  • a task can be a process or a thread
  • has LOTS of fields
  • task_struct on linux cross reference
• mount
  • USB into linux shows up in /media/USBNAME
• VFS layer
  • Virtual File System
• resources
  • linux cross reference