Difference between revisions of "Operating Systems 2017F Lecture 18"
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(Created page with " == Additional Notes == Lec 18 <br> * More on filesystems <br> * How can you recover a fs and how do you delete a file? <br>") |
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* More on filesystems <br> | * More on filesystems <br> | ||
* How can you recover a fs and how do you delete a file? <br> | * How can you recover a fs and how do you delete a file? <br> | ||
<br> | |||
A filesystem is a: <br> | |||
* Persistent data structure <br> | |||
* Stored in fixed size blocks (at least 512 bytes in size) <br> | |||
* Maps hierarchical filenames to file contents <br> | |||
* Has metadata about files somehow <br> | |||
<br> | |||
What's in a filesystem <br> | |||
* data blocks <br> | |||
* metadata blocks <br> | |||
* | |||
Revision as of 14:12, 16 November 2017
Additional Notes
Lec 18
- More on filesystems
- How can you recover a fs and how do you delete a file?
A filesystem is a:
- Persistent data structure
- Stored in fixed size blocks (at least 512 bytes in size)
- Maps hierarchical filenames to file contents
- Has metadata about files somehow
What's in a filesystem
- data blocks
- metadata blocks