Explain the steps a do-s file manager uses to open a file

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Assignment:

1. Explain the steps a DO/S File Manager uses to open a file, read data from it, update that data, and close the file. Do those steps change if the data is not changed? Describe the reasons for your answer.

2. Several levels of file access were discussed in chapter-10(Management of Network Functions- Understanding Of Operating Systems M. Flynn) including read/write, read-only, execute-only, and no access. If you are maintaining a database containing confidential patient information and need to restrict UPDATE to only 5 individuals, allow only 15 others to view the database, and disallow all database access to any other users. Which access level would you assign to the three groups of people? For each of the three groups describe every type of access granted to each one.

Reference no: EM133399355

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