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Unformatted text preview: Assignment 10 10 April 2011 Exercise 5 Find and Open the file manager use the catalog with all information about files where there stored and after finding the file make a channel to the file so it can be use for another action Read File manager in this action use a channel to the file and starts to read the file with simple file access schemes, the read action will not be work if the file is currently used , modified or created. Write - File manager in this action use a channel to the file and starts to write to it using simple file access schemes. To do that the file manager have to lock the file so the other requesting this file must wait until the file will be unlocked. Close - The file mangers action is that he sent a command to the remote server to unlock file that is used. This is happen just by changing the information in the directory at the files storage site. Yes I think those step would change if the date would not be change. Because if the date is not change the Yes I think those step would change if the date would not be change....
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This note was uploaded on 04/19/2011 for the course CS 250 taught by Professor Idontknow during the Spring '11 term at City College of San Francisco.
- Spring '11