FSU COP 4610, CGS5764 (Fall 2014)Principles of Operating Systems

Homework 8: Storage Usage Survey (Due 11/5/2014)

Instructor

Andy Wang ()

Office: 269 Love Building

Office hours: M 4-5pm, F 4-5pm, and by appointment

______

1.  Enter the information for the computing devices you have that are actively in use. If you have multiple devices within a device type, enter the data for the device you use the most. If you have multiple OS types, choose the OS you use the most.

Device type / Desktop / Laptop / Cell phone
Number of devices
OS type
Storage size
% full
% storage for files created/saved by you
% storage used for media files
Total number of files
Number of files created/saved by you
Number of media files

2.  How do you organize your files? When can’t you find your files? How do you locate the following files: (1) your homework submitted last week, (2) the submitted project 2, (3) your homework from last year, (4) your high school graduation photos, (5) your favorite music files, (7) the file that contains your emails, (8) the file that contains your browser bookmarks, and (9) the file that caches your recent website visit?

3.  How do you backup your files? Do you use tools to perform backup? Do you backup all files? If not, how do you prioritize? How many backup copies do you have? If you reorganize your files, how do you make sure that your copies are consistent? How frequently do you backup? How frequently do you need to restore files from your backup? How frequently do you lose your files?

4.  Do you have a personal copy of files stored on third parties’ machines (e.g., gmail, Linprog, blog, webserver)? Why and why not?

5.  How do you delete your files? How do you make sure a file is deleted? Suppose you want to delete all information related to your ex-boyfriend/girlfriend, how would you go about deleting those files? How many files do you need to delete securely before you can donate your machine away? What is the total size of those files?

6.  Are you happy with the following characteristics of your storage: performance, reliability, backup service, ease of use, security? If not, how should they be improved?