QuestionQuestion

Suppose a program creates a file /foo/bar (i.e., a file named bar in directory /foo) and then writes 10 blocks of data to that file. Answer the following questions about the reads and writes to various blocks on the hard disk (assume that an inode as 12 direct pointers).
a) data bitmap
b) inode bitmap
c) root inode
d) foo inode
e) bar inode
f) root data
g) foo data

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Observation 1 – to identify the reads and writes easier, we can decompose the described process into three basic operations on the file system: 1) creation of file “bar” in the directory “foo”, 2) open the created file “foo”, and 3) write the 10 data blocks on the hard drive.

Observation 2- the questions to answer do not involve the writes on data blocks. However, for step 3) listed above, bar data was also included as column to show the actual write operation on the data block.

For the creation of the file “bar” in the directory “foo” (1st step of the described process), the basic r/w operations are summarized in table 1 below....

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